Enforce UTF-8 encoding when creating databases

We use InnoDB everywhere, so there should be no issues with long unicode
keys. Dropped charset parameter for recreate_database since it's not
needed anymore.

Change-Id: Ib768402a9337c918309030a92ab81da17269f4f6
diff --git a/extras.d/70-tuskar.sh b/extras.d/70-tuskar.sh
index e77c504..56f26ff 100644
--- a/extras.d/70-tuskar.sh
+++ b/extras.d/70-tuskar.sh
@@ -131,7 +131,7 @@
 function init_tuskar {
 
     # (re)create tuskar database
-    recreate_database tuskar utf8
+    recreate_database tuskar
 
     tuskar-dbsync --config-file $TUSKAR_CONF
     create_tuskar_cache_dir