docs build fix

Author: wolph

docs/progressbar.terminal.os_specific.posix.rst

@@ -7,9 +7,6 @@ Submodules
 .. toctree::
    :maxdepth: 4
 
-   progressbar.terminal.os_specific.posix
-   progressbar.terminal.os_specific.windows
-
 Module contents
 ---------------
 

docs/progressbar.terminal.os_specific.rst

@@ -112,7 +112,7 @@ include-package-data = true
 progressbar = 'progressbar.cli:main'
 
 [project.optional-dependencies]
-docs = ['sphinx>=1.8.5', 'sphinx-autodoc-typehints>=1.6.0', 'termios']
+docs = ['sphinx>=1.8.5', 'sphinx-autodoc-typehints>=1.6.0']
 tests = [
     'dill>=0.3.6',
     'flake8>=3.7.7',