Remove unused logic

package com.android.settings.development.featureflags;

import android.content.Context;

import android.provider.Settings;

import android.text.TextUtils;

import android.util.FeatureFlagUtils;

import androidx.preference.SwitchPreference;

        } else {

            FeatureFlagUtils.setEnabled(getContext(), mKey, isChecked);

        }

        // A temporary logic for settings_hide_second_layer_page_navigate_up_button_in_two_pane

        // Remove it before Android T release.

        if (TextUtils.equals(mKey,

                FeatureFlagUtils.SETTINGS_HIDE_SECOND_LAYER_PAGE_NAVIGATE_UP_BUTTON_IN_TWO_PANE)) {

            Settings.Global.putString(getContext().getContentResolver(),

                    mKey, String.valueOf(isChecked));

        }

    }

}