remove traces of previously merged files

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@17865 65c4cc65-6c06-0410-ace0-fbb531ad65f3

formats/Makefile

@@ -13,12 +13,6 @@
 
 MODS:=$(patsubst %.c,%.so,$(wildcard format_*.c))
 
-MODS:=$(filter-out format_pcm_alaw.so,$(MODS))
-MODS:=$(filter-out format_au.so,$(MODS))
-
-# merged.	format_pcm_alaw.so
-# merged.	format_au.so
-#
 # OGG/Vorbis format
 # (on FreeBSD is in /usr/local/include/...