fix(mte): remove deprecated CTX_INCLUDE_MTE_REGS/FEAT_MTE

Remove all instances of macros CTX_INCLUDE_MTE_REGS and FEAT_MTE
since these have been deprecated in v2.11

Change-Id: I7838a865755326f03668e43768140929a2d9e418
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
3 files changed