Revert "return reference ID for v5 task payment types."

This reverts commit 9a5e72a.

Author: ajefts

src/main/com/topcoder/web/ejb/pacts/BasePayment.java

@@ -287,9 +287,6 @@ public static int getReferenceTypeId(int paymentType) {
             return REFERENCE_COMPONENT_PROJECT_ID;
         case STUDIO_SPECIFICATION_WRITING_PAYMENT:
             return REFERENCE_STUDIO_CONTEST_ID;
-        case TASK_PAYMENT:
-        case TASK_REVIEW_PAYMENT:
-        case TASK_COPILOT_PAYMENT:
         default:
             return NO_REFERENCE;
         }