Remove pre-commit config (#6804)

Remove pre-commit config.

.pre-commit-config.yaml

@@ -1,23 +0,0 @@
----
-# Copyright (c) Ansible Project
-# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-repos:
-  - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.0.1
-    hooks:
-      - id: trailing-whitespace
-      - id: end-of-file-fixer
-      - id: mixed-line-ending
-        args: [--fix=lf]
-      - id: fix-encoding-pragma
-      - id: check-ast
-      - id: check-merge-conflict
-      - id: check-symlinks
-  - repo: https://github.com/pre-commit/pygrep-hooks
-    rev: v1.9.0
-    hooks:
-      - id: rst-backticks
-        types: [file]
-        files: changelogs/fragments/.*\.(yml|yaml)$