Remove unneeded linux-gnueabi*

As of r380520 the configure scripts converts the value of linux-gnueabi*
of OSARCH to "linux-gnu". So no point in testing for those values.


git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/1.8@382087 f38db490-d61c-443f-a65b-d21fe96a405b