MNT: Remove coding: utf-8

The default encoding for Python 3 sources is UTF-8:
	https://peps.python.org/pep-3120

Author: DimitriPapadopoulos

docs/conf.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-#
 # Configuration file for the Sphinx documentation builder.
 #
 # This file does only contain a selection of the most common options. For a

niworkflows/engine/__init__.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 """

niworkflows/interfaces/workbench.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 """This module provides interfaces for workbench surface commands."""

niworkflows/tests/__init__.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # @Author: oesteban
 # @Date:   2018-02-15 11:21:50
 # @Last Modified by:   oesteban