binutils: remove old versions

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42776 3c298f89-4303-0410-b956-a3cf2f4a3e73
gcc: remove version 4.8.0

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42777 3c298f89-4303-0410-b956-a3cf2f4a3e73
lantiq: remove the useless ltqtapi.mk include file

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42778 3c298f89-4303-0410-b956-a3cf2f4a3e73