Revert "STATIC CHECKS: Sets TF-M repo to unshallow"

This reverts commit 8d6a330e73b30e604511b2bc1e4677bfca186efe.

Reason for revert: Did not serve intended purpose

Change-Id: I9bfa73421f72eed6b2d302e1d4677e5d1f5e7a9e
1 file changed