Removing broken links

general/db/guide-hana.asciidoc

@@ -28,18 +28,18 @@ For your local development environment you will love the free https://developers
 You can run HANA in several ways:
 
 * On-premise
-** Via a https://developers.sap.com/germany/tutorials/hxe-ua-install-using-docker.html[Docker image] (Linux only)
+** Via a https://developers.sap.com/tutorials/hxe-ua-install-using-docker.html[Docker image] (Linux only)
 ** Via a pre-configured https://developers.sap.com/group.hxe-install-vm.html[virtual machine] (Windows, Linux, OS X)
 ** Installed natively on your https://developers.sap.com/group.hxe-install-binary.html[local machine] (Linux only)
 * In the cloud
-** Via a pre-configured machine on the https://developers.sap.com/tutorials/hxe-gcp-getting-started-launcher.html[Google Cloud Platform]
-** Via a pre-configured machine in the https://developers.sap.com/tutorials/hxe-ms-azure-marketplace-getting-started.html[Microsoft Azure Cloud]
-** Via a pre-configured machine on https://developers.sap.com/tutorials/hxe-aws-setup.html[Amazon Web Services]
+** Refer https://cloud.google.com/solutions/sap/docs/sap-hana-deployment-guide[Google Cloud Platform]
+** Refer https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/hana-example-installation[Microsoft Azure Cloud]
+** Refer https://aws.amazon.com/sap/solutions/saphana/[Amazon Web Services]
 
 To get started with SAP HANA, Express Edition you can check out the https://developers.sap.com/topics/sap-hana-express.html#tutorials[tutorials] at the https://developers.sap.com/[SAP Developer Center].
 
 === Pooling
 See https://help.sap.com/viewer/2a4cd05443e84e59bdde9170fa693ddb/1.0.00.0/en-US/0fdda954c7004ad1b889b7785bf82b2e.html[Overriding the JDBC Connection Pool Settings].
 
 === Fuzzy Search
-See https://blogs.sap.com/2015/08/28/dynamism-of-fuzzy-search-in-sap-hana/ or the https://help.sap.com/viewer/691cb949c1034198800afde3e5be6570/latest/en-US/cc602780bb5710148aa2bf6cab3c015b.html[SAP HANA Search Developer Guide]
+See https://blogs.sap.com/2015/08/28/dynamism-of-fuzzy-search-in-sap-hana/ or the https://help.sap.com/viewer/691cb949c1034198800afde3e5be6570/latest/en-US/cc602780bb5710148aa2bf6cab3c015b.html[SAP HANA Search Developer Guide]

general/release-notes-version-2.3.asciidoc

@@ -96,7 +96,7 @@ Furthermore: an email and Twitter micro service were integrated in my-thai-star.
 === Documentation refactoring
 
 The complete devonfw guide is restructured and refactored. Getting started guides are added for easy start with devonfw.Integration of the new Tutorial with the existing devonfw Guide whereby existing chapters of the previous tutorial were converted to Cookbook chapters. Asciidoctor is used for devonfw guide PDF generation. 
-See: https://github.com/devonfw/devon-guide/wiki
+See: https://github.com/devonfw/devonfw-guide/wiki
 
 === OASP4JS
 
@@ -111,7 +111,7 @@ The following changes have been incorporated in OASP4JS:
 
 === Admin interface for oasp4j apps 
 
-The new version includes an Integration of an admin interface for oasp4j apps (Spring Boot). This module is based on CodeCentric´s Spring Boot Admin (https://github.com/codecentric/spring-boot-admin). See: https://github.com/devonfw/devon-guide/wiki/Spring-boot-admin-Integration-with-devon4j
+The new version includes an Integration of an admin interface for oasp4j apps (Spring Boot). This module is based on CodeCentric´s Spring Boot Admin (https://github.com/codecentric/spring-boot-admin).
 
 === Devcon 
 
@@ -203,16 +203,15 @@ This component was donated by the ADcenter in Valencia. It was made in order to
 
 JHipster is a code generator based on Yeoman generators. Its default generator generator-jhipster generates a specific JHipster structure. The purpose of generator-jhipster-DevonModule is to generate the structure and files of a typical OASP4j project. It is therefore equivalent to the standard OASP4j application template based CobiGen code generation.
 
-See: https://github.com/devonfw/devon-guide/wiki/cookbook-devon-jhipster-module 
 
 ==== Simple Jenkins task status dashboard
 
-This component has been donated by, has been harvested from system in use by, Capgemini  Valencia. This dashboard, apart from an optional gamification element, allows the display of multiple Jenkins instances. See: https://github.com/oasp/jenkins_view 
+This component has been donated by, has been harvested from system in use by, Capgemini  Valencia. This dashboard, apart from an optional gamification element, allows the display of multiple Jenkins instances. 
 
 === And lots more, among others:
 
-* OASP4J/devonfw docker based build IN a docker process. See: https://github.com/devonfw/devon-guide/wiki/Dockerfile-for-the-maven-based-spring.io-projects
+* OASP4J/devonfw docker based build IN a docker process. 
 
-* CI test boot archetype. This is for unit testing.This will create a sample project and add sample web service to it. A Jenkins job will start oasp4j server and will call web service. See: https://github.com/devonfw/devonfw-shop-floor/tree/master/testing/Oasp4jTestingScripts
+* CI test boot archetype. This is for unit testing.This will create a sample project and add sample web service to it. A Jenkins job will start oasp4j server and will call web service.
 
 * CI test Angular starterTemplate. Testing automation for Angular applications (My Thai Star) in Continuous Integration environments by using Headless browsers and creating Node.js scripts. See: https://github.com/oasp/my-thai-star/blob/develop/angular/package.json#L8-L12 and https://github.com/oasp/my-thai-star/blob/develop/angular/karma.conf.js

general/release-notes-version-2.4.asciidoc

@@ -102,7 +102,7 @@ The following changes have been incorporated in OASP4J:
 === OASP4JS
 The following changes have been incorporated in OASP4JS:
 
-* First version of the new client application architecture guide https://github.com/oasp-forge/oasp4js-wiki/wiki 
+* First version of the new client application architecture guide https://github.com/oasp/oasp4js/wiki
 * Angular CLI 6,
 * Angular 6,
 * Angular Material 6 and Covalent 2.0.0-beta.1,