[binutils-gdb] Remove regcache_raw_collect

[sergiodj+buildbot@sergiodj.net]

*** TEST RESULTS FOR COMMIT 34a79281e4bd5d1a7f1d22a5a5be1ac2db56a3fc ***

Author: Simon Marchi <simon.marchi@ericsson.com>
Branch: master
Commit: 34a79281e4bd5d1a7f1d22a5a5be1ac2db56a3fc

Remove regcache_raw_collect

Remove regcache_raw_collect, update callers to use
regcache::raw_collect.

gdb/ChangeLog:

	* regcache.h (regcache_raw_collect): Remove, update callers to
	use regcache::raw_collect.
	* regcache.c (regcache_raw_collect): Remove.