Switch - Removed labelOff prop

[thatblindgeye]

Follow up to breaking change PR patternfly/patternfly-react#10646

We're removing the labelOff prop to aid in preventing dynamic Switch labels that can worsen a11y. In addition we're adding the role="switch" to the input.

Required actions:

1. Build codemod
2. Build test
3. Update readme with description & example