Revert "[Android] Bottom tab not update" (#285)

This reverts commit ca6319d26e.

android/src/main/java/com/swmansion/rnscreens/ScreenContainer.java

@@ -243,24 +243,10 @@ public class ScreenContainer<T extends ScreenFragment> extends ViewGroup {
     return mScreenFragments.contains(screenFragment);
   }
 
-  protected void ensureFragmentManager() {
-    if (mFragmentManager != null && mFragmentManager.isDestroyed()) {
-      // When fragmentManager is destroyed, try to remove current fragment's views
-      for (int i = 0, size = mScreenFragments.size(); i < size; i++) {
-        ScreenFragment screenFragment = mScreenFragments.get(i);
-        removeView(screenFragment.getScreenRootView());
-      }
-      mFragmentManager = null;
-      mActiveScreenFragments.clear();
-      mNeedUpdate = true;
-    }
-  }
-
   @Override
   protected void onAttachedToWindow() {
     super.onAttachedToWindow();
     mIsAttached = true;
-    ensureFragmentManager();
     updateIfNeeded();
   }
 

android/src/main/java/com/swmansion/rnscreens/ScreenFragment.java

@@ -1,13 +1,11 @@
 package com.swmansion.rnscreens;
 
 import android.annotation.SuppressLint;
-import android.content.Context;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
-import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 
@@ -35,10 +33,6 @@ public class ScreenFragment extends Fragment {
     return mScreenView;
   }
 
-  protected ViewGroup getScreenRootView() {
-    return mScreenView;
-  }
-
   public Screen getScreen() {
     return mScreenView;
   }

android/src/main/java/com/swmansion/rnscreens/ScreenStackFragment.java

@@ -96,11 +96,6 @@ public class ScreenStackFragment extends ScreenFragment {
     return mScreenRootView;
   }
 
-  @Override
-  protected ViewGroup getScreenRootView() {
-    return mScreenRootView;
-  }
-
   public boolean isDismissable() {
     View child = mScreenView.getChildAt(0);
     if (child instanceof ScreenStackHeaderConfig) {