Revert "[Settings] Request focus in Add network dialog"

This reverts commit 49d314f8c3.

Reason for revert: Revert for proper fix in pi-dev branch. Solution in 
 http://ag/3714337 is proper fix to make all case in wifi dialog can get focus.

Change-Id: I99035a4c437ea6c033e3ba6a83e39967c236d973

src/com/android/settings/wifi/WifiConfigController.java

@@ -215,7 +215,6 @@ public class WifiConfigController implements TextWatcher,
 
             mSsidView = (TextView) mView.findViewById(R.id.ssid);
             mSsidView.addTextChangedListener(this);
-            mSsidView.requestFocus();
             mSecuritySpinner = ((Spinner) mView.findViewById(R.id.security));
             mSecuritySpinner.setOnItemSelectedListener(this);
             mView.findViewById(R.id.type).setVisibility(View.VISIBLE);