Remove flaky tests

test_capi/__main__.py just runs tests in other files, it doesn't contain anything work testing.

Author: dflook

xtest/manifests/python3.14_test_manifest.yaml

@@ -1195,19 +1195,6 @@
     rename_globals: true
   status: passing
 /usr/local/lib/python3.14/test/test_capi/__init__.py:
-- options: {}
-  status: passing
-- options:
-    remove_literal_statements: true
-  status: passing
-- options:
-    rename_globals: true
-  status: passing
-- options:
-    remove_literal_statements: true
-    rename_globals: true
-  status: passing
-/usr/local/lib/python3.14/test/test_capi/__main__.py:
 - options: {}
   status: passing
 - options: