Remove logging for ssids

This is potentially PII so we should not log this. This change
simply removes the lines of logging code.

Test: changing preference does not result in logging
Bug: 117637133
Change-Id: I620ac4cc4eaaf8227b0694e6cc5f9a85d54bc0e8

src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java

@@ -53,10 +53,8 @@ public class WifiTetherSSIDPreferenceController extends WifiTetherBasePreference
         final WifiConfiguration config = mWifiManager.getWifiApConfiguration();
         if (config != null) {
             mSSID = config.SSID;
-            Log.d(TAG, "Updating SSID in Preference, " + mSSID);
         } else {
             mSSID = DEFAULT_SSID;
-            Log.d(TAG, "Updating to default SSID in Preference, " + mSSID);
         }
         ((ValidatedEditTextPreference) mPreference).setValidator(this);
         updateSsidDisplay((EditTextPreference) mPreference);