Revert "Add Device Lock module."

This reverts commit 678a907829.

Reason for revert: breaking mainline sdk build

Change-Id: I013b0d30cab1167025dbe8b5bafba81d06ca8750
Bug: 254879336

build/mainline_modules_sdks.py

@@ -969,12 +969,6 @@ MAINLINE_MODULES = [
         # appear to generate a snapshot for it.
         for_r_build=None,
     ),
-    MainlineModule(
-        apex="com.android.devicelock",
-        sdks=["devicelock-module-sdk"],
-        first_release=Tiramisu,
-        last_optional_release=LATEST,
-    ),
     MainlineModule(
         apex="com.android.healthconnect",
         sdks=["healthconnect-module-sdk"],