Remove sys.path modifications in sphinx docs

docs/source/conf.py

@@ -12,14 +12,8 @@
 # serve to show the default.
 """Sphinx documentation configuration."""
 
-import os
-import sys
 from datetime import datetime
 
-# If extensions (or modules to document with autodoc) are in another directory,
-# add these directories to sys.path here. If the directory is relative to the
-# documentation root, use os.path.abspath to make it absolute, like shown here.
-sys.path.insert(0, os.path.abspath('../../'))
 from pyresample import __version__  # noqa
 
 # -- General configuration -----------------------------------------------