organize imports and remove blank lines

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/java/com/nextcloud/talk/adapters/items/AdvancedUserItem.java

@@ -30,7 +30,6 @@ import android.view.View;
 import com.facebook.drawee.backends.pipeline.Fresco;
 import com.facebook.drawee.interfaces.DraweeController;
 import com.nextcloud.talk.R;
-import com.nextcloud.talk.application.NextcloudTalkApplication;
 import com.nextcloud.talk.data.user.model.User;
 import com.nextcloud.talk.databinding.AccountItemBinding;
 import com.nextcloud.talk.models.json.participants.Participant;

app/src/main/java/com/nextcloud/talk/controllers/ChatController.kt

@@ -1441,7 +1441,6 @@ class ChatController(args: Bundle) :
                         dialog.getButton(AlertDialog.BUTTON_POSITIVE),
                         dialog.getButton(AlertDialog.BUTTON_NEGATIVE)
                     )
-
                 } catch (e: IllegalStateException) {
                     Toast.makeText(context, context?.resources?.getString(R.string.nc_upload_failed), Toast.LENGTH_LONG)
                         .show()

app/src/main/java/com/nextcloud/talk/controllers/ConversationsListController.java

@@ -31,9 +31,7 @@ import android.content.ClipData;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
-import android.content.res.ColorStateList;
 import android.graphics.Bitmap;
-import android.graphics.Color;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;

app/src/main/java/com/nextcloud/talk/utils/DisplayUtils.java

@@ -104,7 +104,6 @@ import androidx.annotation.Nullable;
 import androidx.annotation.StringRes;
 import androidx.annotation.XmlRes;
 import androidx.appcompat.widget.AppCompatDrawableManager;
-import androidx.appcompat.widget.SearchView;
 import androidx.core.content.ContextCompat;
 import androidx.core.content.res.ResourcesCompat;
 import androidx.core.graphics.ColorUtils;