Re-kill ICRV block

This reverts commit 1224e341de. I've also added
NotImplementedPartitionScheme, which allows deprecated partition types to have
a valid entry point despite being unusable.

TNL-6675

cms/djangoapps/contentstore/tests/test_utils.py

@@ -535,9 +535,9 @@ class GetUserPartitionInfoTest(ModuleStoreTestCase):
             ),
             UserPartition(
                 id=1,
-                name="Verification user partition",
-                scheme=UserPartition.get_scheme("verification"),
-                description="Verification user partition",
+                name="Completely random user partition",
+                scheme=UserPartition.get_scheme("random"),
+                description="Random user partition",
                 groups=[
                     Group(id=0, name="Group C"),
                 ],
@@ -562,9 +562,9 @@ class GetUserPartitionInfoTest(ModuleStoreTestCase):
             ),
             UserPartition(
                 id=1,
-                name="Verification user partition",
-                scheme=UserPartition.get_scheme("verification"),
-                description="Verification user partition",
+                name="Completely random user partition",
+                scheme=UserPartition.get_scheme("random"),
+                description="Random user partition",
                 groups=[
                     Group(id=0, name="Group C"),
                 ],
@@ -572,9 +572,9 @@ class GetUserPartitionInfoTest(ModuleStoreTestCase):
         ])
 
         # Expect that the partition with no groups is excluded from the results
-        partitions = self._get_partition_info(schemes=["cohort", "verification"])
+        partitions = self._get_partition_info(schemes=["cohort", "random"])
         self.assertEqual(len(partitions), 1)
-        self.assertEqual(partitions[0]["scheme"], "verification")
+        self.assertEqual(partitions[0]["scheme"], "random")
 
     def _set_partitions(self, partitions):
         """Set the user partitions of the course descriptor. """

cms/templates/visibility_editor.html

@@ -109,4 +109,4 @@ is_staff_locked = ancestor_has_staff_lock(xblock)
             </div>
         </div>
     </form>
-% endif
+% endif