Revert "contrib: live555: use armlinux config when building for arm"

This reverts commit 4135148b.

It would seem that we need to discuss more about this, before.
Back to the ml.

contrib/src/live555/rules.mak

@@ -23,12 +23,8 @@ endif
 
 LIVE_TARGET = $(error live555 target not defined!)
 ifdef HAVE_LINUX
-ifeq ($(ARCH),arm)
-LIVE_TARGET := armlinux
-else
 LIVE_TARGET := linux
 endif
-endif
 ifdef HAVE_WIN32
 LIVE_TARGET := mingw
 endif