This removes the following functions from e2e/framework/skip.go:
- SkipUnlessTaintBasedEvictionsEnabled: Unused since 7e1794dcb1
- SkipIfContainerRuntimeIs: Unused since 19a588eeda
This is an effort to clean up the framework util.go file so that it
makes more sense and it is more managable.
Signed-off-by: alejandrox1 <alarcj137@gmail.com>