Updated server-cfg, remove limitation for blobs + NDB

sql-bench/server-cfg.sh:
  Remove the limitation for NDB+blobs

sql-bench/server-cfg.sh

@@ -189,7 +189,6 @@ sub new
     $self->{'transactions'}	= 1;	# Transactions enabled
     $limits{'max_columns'}	= 90;	# Max number of columns in table
     $limits{'max_tables'}	= 32;   # No comments
-    $limits{'working_blobs'}	= 0;    # NDB tables can't handle BLOB's
   }
   if (defined($main::opt_create_options) &&
       $main::opt_create_options =~ /type=bdb/i)