Cleaning up some enabled features

Flag: EXEMPT LEGACY
		CONTINUOUS_VIEW_TREE_CAPTURE
		ALL_APPS_GONE_VISIBILITY
		ENABLE_BACK_SWIPE_HOME_ANIMATION
		ENABLE_DYNAMIC_TASKBAR_THRESHOLDS
		PREEMPTIVE_UNFOLD_ANIMATION_START
		ENABLE_NEW_GESTURE_NAV_TUTORIAL
		ENABLE_ENFORCED_ROUNDED_CORNERS
		ENABLE_TRACKPAD_GESTURE
		ENABLE_KEYBOARD_QUICK_SWITCH
		ENABLE_KEYBOARD_TASKBAR_TOGGLE
		ENABLE_ALL_APPS_RV_PREINFLATION
Test: Presubmit
Bug: 270395171, 291651514, 270393426, 294252473,
     270397209, 270396257, 270393258, 271010401,
     270396844, 281726846, 288161355

Change-Id: I6ef1e12dfc2203a4cca8e91aa291485f1ff24c42

quickstep/src/com/android/launcher3/taskbar/TaskbarThresholdUtils.java

@@ -25,7 +25,6 @@ import androidx.core.content.res.ResourcesCompat;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
-import com.android.launcher3.config.FeatureFlags;
 
 /**
  * Utility class that contains the different taskbar thresholds logic.
@@ -39,10 +38,6 @@ public class TaskbarThresholdUtils {
 
     private static int getThreshold(Resources r, DeviceProfile dp, int thresholdDimen,
             int multiplierDimen) {
-        if (!FeatureFlags.ENABLE_DYNAMIC_TASKBAR_THRESHOLDS.get()) {
-            return r.getDimensionPixelSize(thresholdDimen);
-        }
-
         float landscapeScreenHeight = dp.isLandscape ? dp.heightPx : dp.widthPx;
         float screenPart = (landscapeScreenHeight * SCREEN_UNITS);
         float defaultDp = dpiFromPx(screenPart, DisplayMetrics.DENSITY_DEVICE_STABLE);