Removing GestureRecognizerProvider

This is to preapre the code for creating new GestureUiState - to  have better separation between Composable code and gesture logic.

GestureRecognizerProvider seems like overkill and it’s harder to reason about - with the only benefit being small code deduplication.
Simplifying the code by removing it.

Bug: 369817369
Test: code compiles, just small refactoring
Flag: com.android.systemui.shared.new_touchpad_gestures_tutorial
Change-Id: I7331f8bb838bdeca4677c499554af1ef8b7edb93