Revert "edje: unset efreet cache update flag to prevent dbus connections"

This reverts commit 1edb35fff3.

Accessing symbols from other libs like this should never be done. The
consequences of this are not significant enough to do this; better solution
can be found but definitely not like this.

src/lib/edje/edje_main.c

@@ -1,6 +1,5 @@
 #include "edje_private.h"
 
-extern int efreet_cache_update;
 static Edje_Version _version = { VMAJ, VMIN, VMIC, VREV };
 EAPI Edje_Version * edje_version = &_version;
 
@@ -70,7 +69,6 @@ edje_init(void)
         goto shutdown_eet;
      }
 
-   efreet_cache_update = 0;
    if (!efreet_init())
      {
         ERR("Efreet init failed");