Cleanup

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

@@ -29,7 +29,6 @@ import static eu.faircode.email.ServiceAuthenticator.AUTH_TYPE_PASSWORD;
 import android.app.NotificationManager;
 import android.content.Context;
 import android.content.Intent;
-import android.content.SharedPreferences;
 import android.graphics.Color;
 import android.graphics.Paint;
 import android.net.Uri;
@@ -64,7 +63,6 @@ import androidx.constraintlayout.widget.Group;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentTransaction;
 import androidx.lifecycle.Lifecycle;
-import androidx.preference.PreferenceManager;
 
 import com.google.android.material.snackbar.Snackbar;
 import com.google.android.material.textfield.TextInputLayout;