remove transactions from SimpleQuerydslR2dbcFragment methods (#83)

Author: mscheong01

infobip-spring-data-r2dbc-querydsl/src/main/java/com/infobip/spring/data/r2dbc/SimpleQuerydslR2dbcFragment.java

@@ -75,8 +75,7 @@ public Mono<Long> update(Function<SQLUpdateClause, SQLUpdateClause> update) {
                         .collect(Collectors.joining("\n"));
         return databaseClient.sql(sql)
                              .fetch()
-                             .rowsUpdated()
-                             .as(TransactionalOperator.create(reactiveTransactionManager)::transactional);
+                             .rowsUpdated();
     }
 
     @Override
@@ -91,8 +90,7 @@ public Mono<Long> deleteWhere(Predicate predicate) {
                         .collect(Collectors.joining("\n"));
         return databaseClient.sql(sql)
                              .fetch()
-                             .rowsUpdated()
-                             .as(TransactionalOperator.create(reactiveTransactionManager)::transactional);
+                             .rowsUpdated();
     }
 
     @Override