Remove python bin declaration in switcher script am: 989ece3570

Original change: https://googleplex-android-review.googlesource.com/c/platform/tools/doc_generation/+/15831227

Change-Id: I02780d3dbc8362adcac90e98e62ffd56c48c5b75
diff --git a/switcher4.py b/switcher4.py
index 7e06fac..6cd7739 100644
--- a/switcher4.py
+++ b/switcher4.py
@@ -1,5 +1,3 @@
-#!/usr/bin/python
-#
 # Copyright 2019 - The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");