Cleanup

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -96,15 +96,12 @@ import android.view.animation.AccelerateDecelerateInterpolator;
 import android.view.textclassifier.ConversationAction;
 import android.view.textclassifier.ConversationActions;
 import android.webkit.WebView;
-import android.widget.AdapterView;
-import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.CheckBox;
 import android.widget.CompoundButton;
 import android.widget.EditText;
 import android.widget.ImageButton;
 import android.widget.ImageView;
-import android.widget.Spinner;
 import android.widget.TextView;
 import android.widget.Toast;
 

app/src/main/java/eu/faircode/email/FragmentFolders.java

@@ -77,7 +77,6 @@ import org.json.JSONObject;
 
 import java.io.BufferedOutputStream;
 import java.io.ByteArrayOutputStream;
-import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FilterOutputStream;

app/src/main/java/eu/faircode/email/WidgetUnifiedRemoteViewsFactory.java

@@ -29,7 +29,6 @@ import android.os.Build;
 import android.text.SpannableString;
 import android.text.Spanned;
 import android.text.TextUtils;
-import android.text.style.ForegroundColorSpan;
 import android.text.style.StyleSpan;
 import android.text.style.UnderlineSpan;
 import android.util.TypedValue;