Removed the references to mysql_h.ic in include/Makefile.am

include/Makefile.am:
  Removed
  
  1) EXTRA_DIST which was pointing to mysql_h.ic
  2) abi_check target which is not being used anymore since we
     are not using icheck

include/Makefile.am

@@ -41,7 +41,6 @@ noinst_HEADERS =	config-win.h config-netware.h my_bit.h \
 # Remove built files and the symlinked directories
 CLEANFILES =            $(BUILT_SOURCES) readline openssl
 
-EXTRA_DIST =            mysql_h.ic
 
 # Some include files that may be moved and patched by configure
 DISTCLEANFILES =	sched.h $(CLEANFILES)
@@ -63,18 +62,5 @@ my_config.h: config.h
 dist-hook:
 	$(RM) -f $(distdir)/mysql_version.h $(distdir)/my_config.h
 
-#
-# Rules for checking that ABI has not changed
-#
-
-# Create a icheck file and compare it to the reference
-abi_check: $(HEADERS_ABI) mysql_version.h mysql_h.ic
-	@set -ex; \
-	if [ @ICHECK@ != no ] ; then \
-	  @ICHECK@ --canonify --skip-from-re /usr/ -o $@ $(HEADERS_ABI); \
-	  @ICHECK@ --compare mysql_h.ic $@; \
-	fi; \
-	touch abi_check;
-
 # Don't update the files from bitkeeper
 %::SCCS/s.%