IGNITE-26827 Minor refactoring after ErrorMessage updates

Author: shishkovilja

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

@@ -22,7 +22,6 @@
 import org.apache.ignite.IgniteCheckedException;
 import org.apache.ignite.IgniteLogger;
 import org.apache.ignite.internal.Order;
-import org.apache.ignite.internal.managers.communication.ErrorMessage;
 import org.apache.ignite.internal.processors.cache.GridCacheContext;
 import org.apache.ignite.internal.processors.cache.GridCacheDeployable;
 import org.apache.ignite.internal.processors.cache.GridCacheIdMessage;
@@ -122,7 +121,7 @@ public void onError(IgniteCheckedException err) {
 
     /** {@inheritDoc} */
     @Override public Throwable error() {
-        return errs != null ? ErrorMessage.error(errs.errorMessage()) : null;
+        return errs != null ? errs.error() : null;
     }
 
     /**

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

@@ -23,7 +23,6 @@
 import org.apache.ignite.IgniteCheckedException;
 import org.apache.ignite.IgniteLogger;
 import org.apache.ignite.internal.Order;
-import org.apache.ignite.internal.managers.communication.ErrorMessage;
 import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion;
 import org.apache.ignite.internal.processors.cache.CacheObject;
 import org.apache.ignite.internal.processors.cache.GridCacheContext;
@@ -193,7 +192,7 @@ public void error(IgniteCheckedException err) {
 
     /** {@inheritDoc} */
     @Override public Throwable error() {
-        return errs != null ? ErrorMessage.error(errs.errorMessage()) : null;
+        return errs != null ? errs.error() : null;
     }
 
     /**