Removed invalid assertions from code. Now the MS can be run with assertions enabled (using -ea flag)

(cherry picked from commit 610d6f0b99)

framework/db/src/com/cloud/utils/db/TransactionLegacy.java

@@ -112,9 +112,6 @@ public class TransactionLegacy {
         TransactionLegacy txn = tls.get();
         if (check) {
             assert txn != null : "No Transaction on stack.  Did you mark the method with @DB?";
-
-            assert checkAnnotation(4, txn) : "Did you even read the guide to use Transaction...IOW...other people's code? Try method can't be private.  What about @DB? hmmm... could that be it? " +
-                txn;
         }
         return txn;
     }