HARMONY-1793: Remove obsolete library reference.

Author: ygliuvt

requirements/dev.txt

@@ -1,17 +1,9 @@
-autopep8 ~= 1.4
-camel-case-switcher ~= 2.0
 coverage ~= 5.4
 flake8 ~= 3.8
 hypothesis ~= 6.2
-importlib-metadata < 5.0
-mypy ~= 0.812
-nose ~= 1.3
 PyYAML ~= 6.0.1
 pytest ~= 6.2
 pytest-cov ~= 2.11
 pytest-mock ~= 3.5
 pytest-watch ~= 4.2
 responses ~= 0.12
-setuptools >= 54.2
-sphinx ~= 7.1.2
-wheel >= 0.36