Removed parso/__init__.pyi

It is intentional that the parse function is not typed. It's just a
helper function. For a typed version of it, please have a look at
Grammar.parse.

parso/__init__.pyi

@@ -1,19 +0,0 @@
-from typing import Any, Optional, Union
-
-from parso.grammar import Grammar as Grammar, load_grammar as load_grammar
-from parso.parser import ParserSyntaxError as ParserSyntaxError
-from parso.utils import python_bytes_to_unicode as python_bytes_to_unicode, split_lines as split_lines
-
-__version__: str = ...
-
-def parse(
-    code: Optional[Union[str, bytes]],
-    *,
-    version: Optional[str] = None,
-    error_recovery: bool = True,
-    path: Optional[str] = None,
-    start_symbol: Optional[str] = None,
-    cache: bool = False,
-    diff_cache: bool = False,
-    cache_path: Optional[str] = None,
-) -> Any: ...