dev: Remove unneeded requirements.txt

Author: bd808

requirements.txt

@@ -5,7 +5,6 @@ skip_missing_interpreters = true
 
 [testenv]
 deps=
-    -r{toxinidir}/requirements.txt
     pytest
     pytest-cov
     pytest-mock
@@ -16,7 +15,6 @@ commands=
 
 [testenv:docs]
 deps=
-    -r{toxinidir}/requirements.txt
     sphinx
     sphinx_rtd_theme
 commands=