IGNITE-26827 Minor refactoring after ErrorMessage updates

Author: shishkovilja

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/atomic/GridNearAtomicSingleUpdateFuture.java

@@ -29,7 +29,6 @@
 import org.apache.ignite.internal.IgniteInternalFuture;
 import org.apache.ignite.internal.cluster.ClusterTopologyCheckedException;
 import org.apache.ignite.internal.cluster.ClusterTopologyServerNotFoundException;
-import org.apache.ignite.internal.managers.communication.ErrorMessage;
 import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion;
 import org.apache.ignite.internal.processors.cache.CacheEntryPredicate;
 import org.apache.ignite.internal.processors.cache.CacheObject;
@@ -207,7 +206,7 @@ else if (rcvAll)
         UpdateErrors errors = res.errors();
 
         if (errors != null) {
-            assert ErrorMessage.error(errors.errorMessage()) != null;
+            assert errors.error() != null;
 
             completeFuture(null, errors.error(), res.futureId());
 

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/atomic/GridNearAtomicUpdateFuture.java

@@ -33,7 +33,6 @@
 import org.apache.ignite.internal.IgniteInternalFuture;
 import org.apache.ignite.internal.cluster.ClusterTopologyCheckedException;
 import org.apache.ignite.internal.cluster.ClusterTopologyServerNotFoundException;
-import org.apache.ignite.internal.managers.communication.ErrorMessage;
 import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion;
 import org.apache.ignite.internal.processors.cache.CacheEntryPredicate;
 import org.apache.ignite.internal.processors.cache.CacheObject;
@@ -333,7 +332,7 @@ else if (rcvAll)
         UpdateErrors errors = res.errors();
 
         if (errors != null) {
-            assert ErrorMessage.error(errors.errorMessage()) != null;
+            assert errors.error() != null;
 
             completeFuture(null, errors.error(), res.futureId());