docs: Fix instructions for CairoSVG

README.rst

@@ -247,29 +247,11 @@ Render diagrams in untrusted jupyter notebooks
 
 The SVG format relies on a stylesheet, however in untrusted notebooks any
 stylesheets are stripped. As a workaround we support the PNG format. For this
-the `cairosvg`__ library is needed which depends on additional binaries. They
-can be installed with the following commands based on your OS:
+the `cairosvg`__ library is needed which depends on additional libraries. See
+the official `CairoSVG documentation`__ for detailed instructions.
 
 __ https://pypi.org/project/CairoSVG/
-
-On linux
-""""""""
-
-Make sure to use the right package manager. For debian/ubuntu:
-
-.. code::
-
-    sudo apt-get install libcairo2
-
-For windows
-"""""""""""
-
-- Download and execute the `latest GTK installer`__.
-
-  __ https://github.com/tschoonj/GTK-for-Windows-Runtime-Environment-Installer/releases/tag/2022-01-04
-
-- Reboot to add the path to the installed compiled libraries into your system
-  environment PATH
+__ https://cairosvg.org/documentation/#installation
 
 Contributing
 ------------