Remove unnecessary flag for disabling Account Selection

Since the account selection dialog no longer will appear on the dialer
app, the Dialtacts activity no longer needs to disable it.

Bug: 16290489
Change-Id: I14790ee047d46ef716cadf9a5d5e0b70e1d46898
(cherry picked from commit 29a2ef2f0371de25272e63b8498f939d1c202dba)
diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
index f946dc1..4c54568 100644
--- a/src/com/android/dialer/DialtactsActivity.java
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -111,9 +111,6 @@
 
     public static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
 
-    /** Temporary flag for disabling account selection menu */
-    public static final boolean ENABLE_ACCOUNT_SELECT = false;
-
     public static final String SHARED_PREFS_NAME = "com.android.dialer_preferences";
 
     /** Used to open Call Setting */