Removing sleeps; rpl_row_basic_8partition falls from 2 minutes

15 seconds to less than a second.
The sleeps used to be necessary but not anymore as NDB has been fixed
wrt sync_slave_with_master.


mysql-test/include/rpl_multi_engine3.inc:
  Sleeps are not necessary anymore
  because NDB has been fixed wrt sync_slave_with_master.

mysql-test/include/rpl_multi_engine3.inc

@@ -28,7 +28,6 @@ INSERT INTO t1 VALUES(412,1,'Testing MySQL databases is a cool ',
 select id,hex(b1),vc,bc,d,f,total,y,t from t1 order by id;
 
 sync_slave_with_master;
---sleep 5
 --echo --- Select from t1 on slave ---
 select id,hex(b1),vc,bc,d,f,total,y,t from t1 order by id;
 
@@ -44,7 +43,6 @@ SELECT id,hex(b1),vc,bc,d,f,total,y,t FROM t1 WHERE id = 412;
 # into the binlog other wise we will miss the update.
 
 sync_slave_with_master;
---sleep 5
 --echo --- Check Update on slave ---
 SELECT id,hex(b1),vc,bc,d,f,total,y,t FROM t1 WHERE id = 412;
 
@@ -56,7 +54,6 @@ DELETE FROM t1 WHERE id = 42;
 SELECT COUNT(*) FROM t1;
 
 sync_slave_with_master;
---sleep 5
 --echo --- Show current count on slave for t1 --- 
 SELECT COUNT(*) FROM t1;