Revert "Try clearing cache"

This reverts commit 341ed71.

Author: jacobtylerwalls

tests/lint/unittest_lint.py

@@ -1049,11 +1049,7 @@ def test_by_module_statement_value(initialized_linter: PyLinter) -> None:
 
 def test_finds_pyi_file() -> None:
     run = Run(
-        [
-            "--prefer-stubs=y",
-            "--clear-cache-post-run=y",
-            join(REGRTEST_DATA_DIR, "pyi"),
-        ],
+        ["--prefer-stubs=y", join(REGRTEST_DATA_DIR, "pyi")],
         exit=False,
     )
     assert run.linter.current_file is not None
@@ -1063,9 +1059,10 @@ def test_finds_pyi_file() -> None:
 def test_recursive_finds_pyi_file() -> None:
     run = Run(
         [
-            "--recursive=y",
-            "--prefer-stubs=y",
-            "--clear-cache-post-run=y",
+            "--recursive",
+            "y",
+            "--prefer-stubs",
+            "y",
             join(REGRTEST_DATA_DIR, "pyi"),
         ],
         exit=False,