opal_get_version.m4sh: remove stale code

Since getting the git version is very fast (vs. "svnversion"), we
aren't using the opal_ver_need_repo_rev var any more.  So remove this
stale code.

config/opal_get_version.m4sh

@@ -14,7 +14,7 @@ m4_divert_push([SCRIPT])dnl
 #                         University of Stuttgart.  All rights reserved.
 # Copyright (c) 2004-2005 The Regents of the University of California.
 #                         All rights reserved.
-# Copyright (c) 2008-2014 Cisco Systems, Inc.  All rights reserved.
+# Copyright (c) 2008-2015 Cisco Systems, Inc.  All rights reserved.
 # $COPYRIGHT$
 # 
 # Additional copyrights may follow
@@ -27,16 +27,6 @@ m4_include([opal_get_version.m4])
 srcfile="$1"
 option="$2"
 
-case "$option" in
-    # svnversion can take a while to run.  If we don't need it, don't run it.
-    --major|--minor|--release|--greek|--base|--help)
-        opal_ver_need_repo_rev=0
-        ;;
-    *)
-        opal_ver_need_repo_rev=1
-esac
-
-
 if test -z "$srcfile"; then
     option="--help"
 else