[Adaptive][Side Sheet] Removed unused methods in SheetDialog and SideSheetDialog.

Also remove the redundant call to supportRequestWindowFeature in SideSheetDialog's constructor.

PiperOrigin-RevId: 495715894

Author: afohrman

lib/java/com/google/android/material/sidesheet/SheetDialog.java

@@ -61,10 +61,6 @@ abstract class SheetDialog<C extends SheetCallback> extends AppCompatDialog {
   private boolean canceledOnTouchOutside = true;
   private boolean canceledOnTouchOutsideSet;
 
-  SheetDialog(@NonNull Context context) {
-    this(context, 0, 0, 0);
-  }
-
   SheetDialog(
       @NonNull Context context,
       @StyleRes int theme,

lib/java/com/google/android/material/sidesheet/SideSheetDialog.java

@@ -21,7 +21,6 @@
 
 import android.content.Context;
 import android.view.View;
-import android.view.Window;
 import android.widget.FrameLayout;
 import androidx.annotation.IdRes;
 import androidx.annotation.LayoutRes;
@@ -40,6 +39,10 @@ public SideSheetDialog(@NonNull Context context) {
     this(context, 0);
   }
 
+  public SideSheetDialog(@NonNull Context context, @StyleRes int theme) {
+    super(context, theme, SIDE_SHEET_DIALOG_THEME_ATTR, SIDE_SHEET_DIALOG_DEFAULT_THEME_RES);
+  }
+
   @Override
   void addSheetCancelOnHideCallback(
       Sheet<SideSheetCallback> behavior) {
@@ -57,13 +60,6 @@ public void onSlide(@NonNull View sheet, float slideOffset) {}
         });
   }
 
-  public SideSheetDialog(@NonNull Context context, @StyleRes int theme) {
-    super(context, theme, SIDE_SHEET_DIALOG_THEME_ATTR, SIDE_SHEET_DIALOG_DEFAULT_THEME_RES);
-    // We hide the title bar for any style configuration. Otherwise, there will be a gap
-    // above the side sheet when it is expanded.
-    supportRequestWindowFeature(Window.FEATURE_NO_TITLE);
-  }
-
   @LayoutRes
   @Override
   int getLayoutResId() {