build(dependencies): remove typing dependency

The typing module is included in stdlib since Python 3.5.

Author: bjoluc

pyproject.toml

@@ -52,7 +52,6 @@ termcolor = "^1.1"
 packaging = ">=19,<21"
 tomlkit = "^0.5.3"
 jinja2 = "^2.10.3"
-typing = "^3.7.4"
 
 [tool.poetry.dev-dependencies]
 ipython = "^7.2"