gcc-4.6: Remove the patches that are already applied via oe-core

Please apply after
http://git.openembedded.org/openembedded-core-contrib/log/?h=kraj/gcc-update


has been merged into oe-core

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>