Revert changes to pandas/core/arrays/arrow/array.py in PR

Author: Aniketsy

pandas/core/arrays/arrow/array.py

@@ -2446,32 +2446,6 @@ def _convert_int_result(self, result):
     def _convert_rank_result(self, result):
         return type(self)(result)
 
-    def _str_contains(self, pat, case=True, flags=0, na=lib.no_default, regex=True):
-        if isinstance(pat, re.Pattern):
-            if flags != 0:
-                return BaseStringArrayMethods._str_contains(
-                    self, pat, case, flags, na, regex
-                )
-            pat = pat.pattern
-            regex = True
-        elif flags != 0:
-            return BaseStringArrayMethods._str_contains(
-                self, pat, case, flags, na, regex
-            )
-
-        try:
-            if not regex:
-                result = pc.match_substring(self._pa_array, pat, ignore_case=not case)
-            else:
-                result = pc.match_substring_regex(
-                    self._pa_array, pat, ignore_case=not case
-                )
-            return self._convert_bool_result(result, na=na, method_name="contains")
-        except (AttributeError, NotImplementedError, pa.ArrowNotImplementedError):
-            return BaseStringArrayMethods._str_contains(
-                self, pat, case, flags, na, regex
-            )
-
     def _str_count(self, pat: str, flags: int = 0) -> Self:
         if flags:
             raise NotImplementedError(f"count not implemented with {flags=}")