Remove references to res_features and its export file.

The contents of res/res_features.c was moved to into main/features.c
awhile ago.  There is no longer any need for the res/Makefile to reference
res_features or the res_features linker exports file to exist.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@318351 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/Makefile

@@ -22,9 +22,6 @@ include $(ASTTOPDIR)/Makefile.moddir_rules
 ifneq ($(findstring $(OSARCH), mingw32 cygwin ),)
   # cygwin has some dependencies among res_ things.
   # We use order-only dependencies, and then add the libraries as required.
-  res_features.so: | res_monitor.so
-  res_features.so_LIBS:= -lres_monitor.so
-  #
   res_agi.so: | res_speech.so
   res_agi.so_LIBS:= -lres_speech.so
 endif

res/res_features.exports.in

@@ -1,13 +0,0 @@
-{
-	global:
-		LINKER_SYMBOL_PREFIXast_bridge_call;
-		LINKER_SYMBOL_PREFIXast_masq_park_call;
-		LINKER_SYMBOL_PREFIXast_park_call;
-		LINKER_SYMBOL_PREFIXast_parking_ext;
-		LINKER_SYMBOL_PREFIXast_pickup_call;
-		LINKER_SYMBOL_PREFIXast_pickup_ext;
-		LINKER_SYMBOL_PREFIXast_register_feature;
-		LINKER_SYMBOL_PREFIXast_unregister_feature;
-	local:
-		*;
-};