Remove the execution bit to some socket-related files. (GH-93368)

(cherry picked from commit 5247389369ac3da35c44f7c0d8f4facc0300883a)

Co-authored-by: Ezio Melotti <ezio.melotti@gmail.com>

diff --git a/Doc/library/socket.rst b/Doc/library/socket.rst
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/Lib/socket.py b/Lib/socket.py
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
old mode 100755 (executable)
new mode 100644 (file)