removing unimplemented getMulti-temporarily

getMulti has been available, but unimplemented. Removing it
to prevent errors, confusion, and frustraition. Will put it
back in the future.

Change-Id: Ia8b7260c19d2e06475b391ff7970120334b9fbd5
Reviewed-on: http://review.couchbase.org/19169
Reviewed-by: Pavel Paulau <pavel.paulau@gmail.com>
Tested-by: Benjamin Young <benjamin@couchbase.com>
Reviewed-by: Benjamin Young <benjamin@couchbase.com>

couchbase/client.py

@@ -254,9 +254,6 @@ def touch(self, key, exp):
     def gat(self, key, exp):
         return self.mc_client.gat(key, exp)
 
-    def getMulti(self, keys):
-        return self.mc_client.getMulti(keys)
-
     def stats(self, sub=''):
         return self.mc_client.stats(sub)