Revert "clang: substitute fpu neon-vfp[3|4] for fpu neon"

This reverts commit 6ea80c150e1b518ab1eeb0e4ab8066bfc2ca8d75.
Revert "Apply correct, optimized mfpu compiler flag for ARMv7-A Cortex CPUs"

This reverts commit df6e944d7f3cb535d9f48f3071bc0eac42981bf0.

Conflicts:
	core/combo/arch/arm/armv7-a-neon.mk
Clean up some old cruft from jb era

Change-Id: I8e1fd3668ae7f99c917824b2736118f9c82d212c
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>