AOR: remove MTE versions of strcpy/stpcpy/strcmp/strncmp

Removed by ARM at
https://github.com/ARM-software/optimized-routines/commit/89ca9c3629eb6a62c28918db929a6fe80b141825
https://github.com/ARM-software/optimized-routines/commit/7b91c3cdb12b023004cb4dda30a1aa3424329ce6

Change-Id: Icc7d2cb8fbe423f028ae03ec3315c935e67f9420
1 file changed