Revert "Add __aeabi_ulcmp implementation"

This reverts commit bf23c04a924a2412895ae0d9107f3bfd30dcdd34.

Change-Id: I3eab7bbdebde1e0f0b75e6be9f6ffc378b0f90bf
Signed-off-by: nobodyAtall <birbilis@gmail.com>