Stop excluding MTRBaseClusters files from restyling.

It looks like the restyle job and the zap job agree on them now, as
long as we avoid the failure case of an input on which running
clang-format once produces different output from running clang-format
twice.

Fixes project-chip#20236

.restyled.yaml

@@ -72,8 +72,6 @@ exclude:
     - "scripts/idl/tests/outputs/**/*" # Matches generated output 1:1
     - "examples/chef/sample_app_util/test_files/*.yaml"
     - "examples/chef/zzz_generated/**/*"
-    - "src/darwin/Framework/CHIP/zap-generated/MTRBaseClusters.mm" # https://github.com/project-chip/connectedhomeip/issues/20236
-    - "src/darwin/Framework/CHIP/zap-generated/MTRBaseClusters.h" # https://github.com/project-chip/connectedhomeip/issues/20236
     - "examples/platform/nxp/k32w/k32w0/scripts/demo_generated_certs/**/*"
     - "integrations/cloudbuild/*.yaml" # uglier long command line content