Revert "PPCAnalyst now detects internal branches better"

This reverts commit 31ec57ab81790b4fd8f7237adc60279535416166.
Remove an unused variable.

It's never been used since it was added except to check the value, which is always false.
Merge pull request #480 from Sonicadvance1/PR371-Revert

Revert "PPCAnalyst now detects internal branches better"
Merge pull request #510 from RachelBryk/unused

Remove an unused variable.