6832141: Bug 100045 - Fix for 100028 breaks debug info for class files

Summary: Correct fallout from 100028 patch
Reviewed-by: ohair
Contributed-by: NAndrew Haley <aph@redhat.com>

make/Makefile

@@ -108,9 +108,6 @@ endif
 ifeq ($(DEBUG_CLASSFILES), true)
   ANT_OPTIONS += -Djavac.debug=true
   ANT_OPTIONS += -Djavac.debuglevel=source,lines,vars
-else
-  ANT_OPTIONS += -Djavac.debug=false
-  ANT_OPTIONS += -Djavac.debuglevel=
 endif
 
 # Note: jdk/make/common/Defs.gmk uses LANGUAGE_VERSION (-source NN)