ch10: removed development requirements

10-dp-1class-func/requirements.txt

@@ -1,13 +0,0 @@
-mypy==0.770
-mypy-extensions==0.4.3
-typed-ast==1.4.1
-typing-extensions==3.7.4.1
-attrs==19.3.0
-more-itertools==8.2.0
-packaging==20.3
-pluggy==0.13.1
-py==1.8.1
-pyparsing==2.4.6
-pytest==5.4.1
-six==1.14.0
-wcwidth==0.1.9