remove unused force_decode

[huard]

Overview

Related Issue / Discussion

Remove import of sphinx.utils.force_decode. Looks like it was unused. Possibly a left-over from the Py2 deprecation.

Additional Information

Contribution Agreement

(as per https://github.com/geopython/pywps/blob/master/CONTRIBUTING.rst#contributions-and-licensing)

• [x] I'd like to contribute [feature X|bugfix Y|docs|something else] to PyWPS. I confirm that my contributions to PyWPS will be compatible with the PyWPS license guidelines at the time of contribution.
• [x] I have already previously agreed to the PyWPS Contributions and Licensing Guidelines

[huard]

The build for 3.7 failed and seems to have cancelled the other builds.

[coveralls]

Coverage remained the same at 0.0% when pulling 5c14d77bbb1da605a0e09141ccdac819086911a5 on huard:fix-608 into 5ad1fef65e6cdb756af46eede18f9a3d4c47d36f on geopython:pywps-4.4.

[cehbrecht]

The build for 3.7 failed and seems to have cancelled the other builds.

just re-run the build ... works 👍