Merge "Remove unnecessary direct dependency on Pygments"

Author: Zuul

test-requirements.txt

@@ -2,7 +2,6 @@ hacking>=6.1.0,<6.2.0 # Apache-2.0
 requests-mock>=1.2.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 doc8>=0.6.0 # Apache-2.0
-Pygments>=2.2.0 # BSD license
 bandit!=1.6.0,>=1.1.0 # Apache-2.0
 flake8-import-order>=0.19.0 # LGPLv3
 pylint>=2.5.3 # GPLv2