Remove enable_pip_keep_clear_algorithm flag

Bug: 296239520
Test: presubmit, removing flag
Change-Id: I135d4b5fedaf094dd136924655d55c70616fa838
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index f2d4660..d74a13b 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -193,9 +193,6 @@
 import java.util.stream.Stream;
 
 public class QuickstepLauncher extends Launcher {
-
-    public static final boolean ENABLE_PIP_KEEP_CLEAR_ALGORITHM =
-            SystemProperties.getBoolean("persist.wm.debug.enable_pip_keep_clear_algorithm", true);
     private static final boolean TRACE_LAYOUTS =
             SystemProperties.getBoolean("persist.debug.trace_layouts", false);
     private static final String TRACE_RELAYOUT_CLASS =
@@ -435,12 +432,8 @@
             boolean visible = (state == NORMAL || state == OVERVIEW)
                     && (willUserBeActive || isUserActive())
                     && !profile.isVerticalBarLayout();
-            if (ENABLE_PIP_KEEP_CLEAR_ALGORITHM)  {
-                SystemUiProxy.INSTANCE.get(this)
-                        .setLauncherKeepClearAreaHeight(visible, profile.hotseatBarSizePx);
-            } else {
-                SystemUiProxy.INSTANCE.get(this).setShelfHeight(visible, profile.hotseatBarSizePx);
-            }
+            SystemUiProxy.INSTANCE.get(this)
+                    .setLauncherKeepClearAreaHeight(visible, profile.hotseatBarSizePx);
         }
         if (state == NORMAL && !inTransition) {
             ((RecentsView) getOverviewPanel()).setSwipeDownShouldLaunchApp(false);
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 796840d..68828fd 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -34,7 +34,6 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_OVERVIEW_GESTURE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_QUICKSWITCH_LEFT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_QUICKSWITCH_RIGHT;
-import static com.android.launcher3.uioverrides.QuickstepLauncher.ENABLE_PIP_KEEP_CLEAR_ALGORITHM;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 import static com.android.launcher3.util.SystemUiController.UI_STATE_FULLSCREEN_TASK;
@@ -1753,11 +1752,6 @@
 
     private Rect getKeepClearAreaForHotseat() {
         Rect keepClearArea;
-        if (!ENABLE_PIP_KEEP_CLEAR_ALGORITHM) {
-            // make the height equal to hotseatBarSizePx only
-            keepClearArea = new Rect(0, 0, 0, mDp.hotseatBarSizePx);
-            return keepClearArea;
-        }
         // the keep clear area in global screen coordinates, in pixels
         if (mDp.isPhone) {
             if (mDp.isSeascape()) {