[Dead-code] If condition is always true - remove it

[JanMikes]

Hi, first, let me please thank you for doing your great job with rector!

I was thinking it would be awesome that rector could remove useless if conditions, detected by phpstan: https://phpstan.org/r/4f510796-260e-469d-a18e-7eb5ce7a9caa

Diff

- if (true) {
// do something
- }

[TomasVotruba]

Note, this case will be probalby remove, but this one is missed by RemoveAlwaysTrueConditionSetInConstructorRector:

-if ($a === $a) {
-}