Delete _ir_pass.pyi

python/tvm/relay/_ir_pass.pyi

-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-import tvm
-from . import ir
-from .env import Module
-
-def check_expr(env: Module, expr: ir.Expr) -> ir.Type: ...
-def generalize(env: Module, expr: ir.Expr) -> ir.Expr: ...
-def _get_checked_type(expr: ir.Expr) -> ir.Type: ...
-def well_formed(expr: ir.Expr) -> bool: ...
-def dead_code_elimination(expr: ir.Expr) -> ir.Expr: ...