noone uses etags.  Connected to PR1601


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42344 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.rules b/Makefile.rules
index cebf2d8..bb1ea75 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -23,7 +23,7 @@
 LocalTargets     := all-local clean-local clean-all-local check-local \
                     install-local printvars uninstall-local \
 		    install-bytecode-local
-TopLevelTargets  := check dist dist-check dist-clean tags dist-gzip dist-bzip2 \
+TopLevelTargets  := check dist dist-check dist-clean dist-gzip dist-bzip2 \
                     dist-zip
 UserTargets      := $(RecursiveTargets) $(LocalTargets) $(TopLevelTargets)
 InternalTargets  := preconditions distdir dist-hook
@@ -1439,25 +1439,6 @@
 clean-all-local::
 	-$(Verb) $(RM) -rf Debug Release Profile
 
-# Build tags database for Emacs/Xemacs:
-tags:: TAGS CTAGS
-
-TAGS: 
-	find $(PROJ_SRC_ROOT)/include $(PROJ_SRC_ROOT)/lib \
-          $(PROJ_SRC_ROOT)/tools $(PROJ_SRC_ROOT)/examples \
-          $(PROJ_OBJ_ROOT)/include $(PROJ_OBJ_ROOT)/lib \
-          $(PROJ_OBJ_ROOT)/tools $(PROJ_OBJ_ROOT)/examples \
-        -name '*.cpp' -o -name '*.h' | \
-        $(ETAGS) $(ETAGSFLAGS) -
-
-CTAGS:
-	find $(PROJ_SRC_ROOT)/include $(PROJ_SRC_ROOT)/lib \
-          $(PROJ_SRC_ROOT)/tools $(PROJ_SRC_ROOT)/examples \
-          $(PROJ_OBJ_ROOT)/include $(PROJ_OBJ_ROOT)/lib \
-          $(PROJ_OBJ_ROOT)/tools $(PROJ_OBJ_ROOT)/examples \
-          \( -name '*.cpp' -o -name '*.h' \) -print | \
-          ctags -ImtT -o $(PROJ_OBJ_ROOT)/CTAGS -L -
-
 
 ###############################################################################
 # DEPENDENCIES: Include the dependency files if we should