Remove Makefile rules for bison and flex sources

We never, ever want these files to processed automatically, because we store the output files in Subversion and users should never need to rebuild them.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@190861 65c4cc65-6c06-0410-ace0-fbb531ad65f3

Makefile.rules

@@ -111,14 +111,6 @@ endif
 	$(ECHO_PREFIX) echo "   [CPP] $< -> $@"
 	$(CMD_PREFIX) $(CXX) -o $@ -E $< $(CXX_CFLAGS) $(MAKE_DEPS)
 
-%.c: %.y
-	$(ECHO_PREFIX) echo "   [BISON] $< -> $@"
-	$(CMD_PREFIX) bison -o $@ -d --name-prefix=ast_yy $<
-
-%.c: %.fl
-	$(ECHO_PREFIX) echo "   [FLEX] $< -> $@"
-	$(CMD_PREFIX) flex -o $@ --full $<
-
 %.so: %.o
 	$(ECHO_PREFIX) echo "   [LD] $^ -> $@"
 	$(CMD_PREFIX) $(CC) $(STATIC_BUILD) -o $@ $(CC_LDFLAGS_SO) $^ $(CC_LIBS)