docs: remove tracking through Google Analytics (#6843)
docs: remove tracking through Google Analytics (#6843)

This might not even be monitored by anyone, but if it is useful in
general should probably get replaced with a less controversial provider.
The-Compiler/pytest,The-Compiler/pytest,pytest-dev/pytest,nicoddemus/pytest,Akasurde/pytest,alfredodeza/pytest,RonnyPfannschmidt/pytest,nicoddemus/pytest,markshao/pytest