Remove redundant "coding: utf-8" lines (#9786)

Part of #9744

Removes all redundant `# -*- coding: utf-8 -*-` lines from files, as python 3 automatically reads source code as utf-8 now.

`Signed-off-by: Jonathan de Jong <jonathan@automatia.nl>`

1 files changed, 0 insertions, 1 deletions

diff --git a/tests/util/test_logformatter.py b/tests/util/test_logformatter.py

index 0fb60caacb..a2e08281e6 100644
--- a/tests/util/test_logformatter.py
+++ b/tests/util/test_logformatter.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # Copyright 2018 New Vector Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");