[OPENJDK-3665] Remove maven_s2i_source_maven_overrides (not used)

This was a scheme to permit a downstream container to override
the behaviour of maven_s2i_init, but in practise it's unused and
just complicates our scripts.

Signed-off-by: Jonathan Dowland <[email protected]>

Author: jmtd

modules/maven/s2i/artifacts/opt/jboss/container/maven/s2i/maven-s2i

@@ -45,20 +45,10 @@ function maven_s2i_init() {
   # Overrides for use with maven s2i
   source "${JBOSS_CONTAINER_MAVEN_S2I_MODULE}"/maven-overrides
 
-  # let users override anything if they need to
-  maven_s2i_source_maven_overrides
-
   # initialize the maven environment
   maven_init
 }
 
-function maven_s2i_source_maven_overrides() {
-  # extensions can use this to override functions provided by this module
-  # For example:
-  # source custom-maven.sh
-  : #noop
-}
-
 # main entry point, perform the build
 function maven_s2i_build() {
   maven_s2i_init