Unpin docs requirements

docs/requirements.txt

@@ -1,79 +1,10 @@
-#
-# This file is autogenerated by pip-compile with python 3.7
-# To update, run:
-#
-#    pip-compile
-#
+# Core build requirements
+sphinx
+sphinx-gitref
 -e git+https://github.com/radiac/sphinx_radiac_theme.git#egg=sphinx_radiac_theme
-    # via -r requirements.in
-alabaster==0.7.12
-    # via sphinx
-babel==2.9.1
-    # via sphinx
-certifi==2021.10.8
-    # via requests
-charset-normalizer==2.0.12
-    # via requests
-colorama==0.4.4
-    # via sphinx-autobuild
-docutils==0.17.1
-    # via
-    #   sphinx
-    #   sphinx-gitref
-    #   sphinx-radiac-theme
-idna==3.3
-    # via requests
-imagesize==1.3.0
-    # via sphinx
-importlib-metadata==4.11.3
-    # via sphinx
-jinja2==3.1.1
-    # via sphinx
-livereload==2.6.3
-    # via sphinx-autobuild
-markupsafe==2.1.1
-    # via jinja2
-packaging==21.3
-    # via sphinx
-pygments==2.11.2
-    # via sphinx
-pyparsing==3.0.8
-    # via packaging
-pytz==2022.1
-    # via babel
-requests==2.27.1
-    # via sphinx
-six==1.16.0
-    # via livereload
-snowballstemmer==2.2.0
-    # via sphinx
-sphinx==4.5.0
-    # via
-    #   -r requirements.in
-    #   sphinx-autobuild
-    #   sphinx-gitref
-    #   sphinx-radiac-theme
-sphinx-autobuild==2021.3.14
-    # via -r requirements.in
-sphinx-gitref==0.2.1
-    # via -r requirements.in
-sphinxcontrib-applehelp==1.0.2
-    # via sphinx
-sphinxcontrib-devhelp==1.0.2
-    # via sphinx
-sphinxcontrib-htmlhelp==2.0.0
-    # via sphinx
-sphinxcontrib-jsmath==1.0.1
-    # via sphinx
-sphinxcontrib-qthelp==1.0.3
-    # via sphinx
-sphinxcontrib-serializinghtml==1.1.5
-    # via sphinx
-tornado==6.1
-    # via livereload
-typing-extensions==4.1.1
-    # via importlib-metadata
-urllib3==1.26.9
-    # via requests
-zipp==3.8.0
-    # via importlib-metadata
+
+# API dependencies
+#django~=3.2
+
+# Optional
+sphinx-autobuild