docs: edit docs/requirements.txt

docs/requirements.txt

@@ -1,36 +1,5 @@
-alabaster==0.7.13
-Babel==2.13.0
-breathe==4.35.0
-certifi==2019.11.28
-chardet==3.0.4
-charset-normalizer==3.3.0
-dbus-python==1.2.16
-distro==1.8.0
-docutils==0.20.1
-idna==2.8
-imagesize==1.4.1
-importlib-metadata==6.8.0
-Jinja2==3.1.2
-MarkupSafe==2.1.3
-packaging==23.2
-Pygments==2.16.1
-PyGObject==3.36.0
-python-apt==2.0.1+ubuntu0.20.4.1
-pytz==2023.3.post1
-requests==2.31.0
-requests-unixsocket==0.2.0
-six==1.14.0
-snowballstemmer==2.2.0
-sphinx==7.1.2
-sphinx-rtd-theme==1.3.0
-sphinxcontrib-applehelp==1.0.4
-sphinxcontrib-devhelp==1.0.2
-sphinxcontrib-htmlhelp==2.0.1
-sphinxcontrib-jquery==4.1
-sphinxcontrib-jsmath==1.0.1
-sphinxcontrib-moderncmakedomain==3.27.0
-sphinxcontrib-packages==1.1.2
-sphinxcontrib-qthelp==1.0.3
-sphinxcontrib-serializinghtml==1.1.5
-urllib3==1.25.8
-zipp==3.17.0
+breathe
+sphinx
+sphinxcontrib-moderncmakedomain
+sphinxcontrib-packages
+sphinx-rtd-theme