fixed READMEs, removed unused error types and removed duplicated func…

…tion in server

README.md

@@ -80,7 +80,7 @@ func main() {
 
 ### Server
 
-The Serer extends the default golang HTTP Server by adding a requestID and logger middleware. By default it handles the OSSignals, and it has a default shutdown timeout of 10 seconds.
+The Server extends the default golang HTTP Server by adding a requestID and logger middleware. By default it handles the OSSignals, and it has a default shutdown timeout of 10 seconds.
 
 This Server is intended to be used by all ONS digital publishing services that require to serve HTTP. The following example shows how to use the Server:
 

handlers/README.md

@@ -6,7 +6,7 @@ The mapping is done using enumeration of possible header and cookie keys, and th
 
 ## Usage
 
-- Read a header from a request and add its value to the output request context:
+- Read a header from a request and add its value to the underlying request context:
 
 ```go
     // Access token

http/server.go

@@ -103,11 +103,6 @@ func (s *Server) Shutdown(ctx context.Context) error {
 	return s.Server.Shutdown(ctx)
 }
 
-// Close is simply a wrapper around Shutdown that enables Server to be treated as a Closable
-func (s *Server) Close(ctx context.Context) error {
-	return s.Shutdown(ctx)
-}
-
 func (s *Server) listenAndServe() error {
 
 	s.prep()