Remove prefix from shell code snippets

docs/modules/ROOT/pages/contributor-guide/create-jvm-only-extension.adoc

@@ -28,8 +28,8 @@ for the following:
 +
 [source,shell]
 ----
-$ cd camel-quarkus
-$ mvn cq:create -N -Dcq.artifactIdBase=foo-abc -Dcq.nativeSupported=false
+cd camel-quarkus
+mvn cq:create -N -Dcq.artifactIdBase=foo-abc -Dcq.nativeSupported=false
 ----
 +
 * A basic integration test is generated for you. It just checks that the newly added Camel component can be loaded.

docs/modules/ROOT/pages/contributor-guide/create-new-example.adoc

@@ -18,8 +18,8 @@ This guide outlines how to contribute a new example project to https://github.co
 +
 [source,shell]
 ----
-$ cd camel-quarkus-examples
-$ mvn org.l2x6.cq:cq-maven-plugin:create-example -Dcq.artifactIdBase="yaml-to-log" -Dcq.exampleName="YAML To Log" -Dcq.exampleDescription="Shows how to use a YAML route with the log EIP"
+cd camel-quarkus-examples
+mvn org.l2x6.cq:cq-maven-plugin:create-example -Dcq.artifactIdBase="yaml-to-log" -Dcq.exampleName="YAML To Log" -Dcq.exampleDescription="Shows how to use a YAML route with the log EIP"
 ----
 +
 Where:

docs/modules/ROOT/pages/contributor-guide/create-new-extension.adoc

@@ -18,8 +18,8 @@
 +
 [source,shell]
 ----
-$ cd camel-quarkus
-$ mvn cq:create -N -Dcq.artifactIdBase=foo-abc
+cd camel-quarkus
+mvn cq:create -N -Dcq.artifactIdBase=foo-abc
 ----
 +
 where:
@@ -80,7 +80,7 @@ Check the xref:contributor-guide/extension-metadata.adoc[Extension metadata] pag
 +
 [source,shell]
 ----
-$ mvn process-resources -Pformat
+mvn process-resources -Pformat
 ----
 +
 The above command will perform the following tasks:

docs/modules/ROOT/pages/contributor-guide/extension-metadata.adoc

@@ -23,7 +23,7 @@ the source tree:
 
 [source,shell]
 ----
-$ mvn -N cq:update-quarkus-metadata
+mvn -N cq:update-quarkus-metadata
 ----
 
 The data comes from the following

docs/modules/ROOT/pages/contributor-guide/index.adoc

@@ -21,29 +21,29 @@ Checkout the code
 
 [source,shell]
 ----
-$ git clone https://github.com/apache/camel-quarkus.git
-$ cd camel-quarkus
+git clone https://github.com/apache/camel-quarkus.git
+cd camel-quarkus
 ----
 
 A fast build without tests and various checks:
 
 [source,shell]
 ----
-$ mvn clean install -Dquickly
+mvn clean install -Dquickly
 ----
 
 A build with integration tests in the JVM mode only:
 
 [source,shell]
 ----
-$ mvn clean install
+mvn clean install
 ----
 
 A build with integration tests in both the JVM mode and the native mode:
 
 [source,shell]
 ----
-$ mvn clean install -Pnative
+mvn clean install -Pnative
 ----
 
 TIP: You may want to install and use https://github.com/mvndaemon/mvnd[`mvnd` - the Maven Daemon] for faster builds.

docs/modules/ROOT/pages/contributor-guide/promote-jvm-to-native.adoc

@@ -18,8 +18,8 @@ Please find some guiding steps below to start this quest:
 +
 [source,shell]
 ----
-$ cd camel-quarkus
-$ mvn -N cq:promote -Dcq.artifactIdBase=...
+cd camel-quarkus
+mvn -N cq:promote -Dcq.artifactIdBase=...
 ----
 +
 where `cq.artifactIdBase` needs to be set to the unique part of the `artifactId` of the extension you are
@@ -42,8 +42,8 @@ The `promote` mojo does the following for you:
 +
 [source,shell]
 ----
-$ cd integration-tests/foo
-$ mvn clean verify -Pnative
+cd integration-tests/foo
+mvn clean verify -Pnative
 ----
 +
 Consider shifting some tasks from runtime to build time.
@@ -53,7 +53,7 @@ The https://quarkus.io/guides/extension-authors-guide[Quarkus extension author's
 +
 [source,shell]
 ----
-$ mvn clean install -DskipTests -Pformat
+mvn clean install -DskipTests -Pformat
 ----
 
 7. Squash your commits before sending a pull request.