Cleanup some specific PG14 stuff from GH matrix

.github/gh_matrix_builder.py

@@ -48,8 +48,10 @@
     "bgw_db_scheduler",
     "bgw_db_scheduler_fixed",
     "telemetry",
+    "memoize",
 }
 
+
 # helper functions to generate matrix entries
 # the release and apache config inherit from the
 # debug config to reduce repetition
@@ -183,19 +185,12 @@ def macos_config(overrides):
 # to a specific branch like prerelease_test we add additional
 # entries to the matrix
 if not pull_request:
-    # add debug test for first supported PG14 version
-    pull_request_ignored_tests = {
-        "memoize",
-    }
     m["include"].append(
         build_debug_config(
             {
                 "pg": PG14_EARLIEST,
                 # The early releases don't build with llvm 14.
                 "pg_extra_args": "--enable-debug --enable-cassert --without-llvm",
-                "ignored_tests": default_ignored_tests.union(
-                    pull_request_ignored_tests
-                ),
             }
         )
     )
@@ -222,13 +217,9 @@ def macos_config(overrides):
 
     # to discover issues with upcoming releases we run CI against
     # the stable branches of supported PG releases
-    pg14_ignored_tests = {
-        "memoize",
-    }
     m["include"].append(
         build_debug_config(
             {
-                "ignored_tests": default_ignored_tests.union(pg14_ignored_tests),
                 "pg": 14,
                 "snapshot": "snapshot",
             }