Cleanup : remove a useless member

Change-Id: I7871c3243c82b5a19acf266033187795a2ea1767
diff --git a/java/src/com/android/inputmethod/latin/SubtypeSwitcher.java b/java/src/com/android/inputmethod/latin/SubtypeSwitcher.java
index 0211339..998a8b4 100644
--- a/java/src/com/android/inputmethod/latin/SubtypeSwitcher.java
+++ b/java/src/com/android/inputmethod/latin/SubtypeSwitcher.java
@@ -52,7 +52,6 @@
 
     private /* final */ RichInputMethodManager mRichImm;
     private /* final */ Resources mResources;
-    private /* final */ ConnectivityManager mConnectivityManager;
 
     private final LanguageOnSpacebarHelper mLanguageOnSpacebarHelper =
             new LanguageOnSpacebarHelper();
@@ -111,10 +110,10 @@
         }
         mResources = context.getResources();
         mRichImm = RichInputMethodManager.getInstance();
-        mConnectivityManager = (ConnectivityManager) context.getSystemService(
+        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(
                 Context.CONNECTIVITY_SERVICE);
 
-        final NetworkInfo info = mConnectivityManager.getActiveNetworkInfo();
+        final NetworkInfo info = connectivityManager.getActiveNetworkInfo();
         mIsNetworkConnected = (info != null && info.isConnected());
 
         onSubtypeChanged(getCurrentSubtype());