Revert "fix for accept 400 error code change for feature group not found (logicalclocks#956)"

This reverts commit 2f8dcf1.

Author: dhananjay-mk

java/hsfs/src/main/java/com/logicalclocks/hsfs/engine/FeatureGroupEngine.java

@@ -99,7 +99,7 @@ public StreamFeatureGroup getOrCreateFeatureGroup(FeatureStore featureStore, @No
     try {
       return getStreamFeatureGroup(featureStore, name, version);
     } catch (IOException | FeatureStoreException e) {
-      if (e.getMessage().contains("\"errorCode\":270009")) {
+      if (e.getMessage().contains("Error: 404") && e.getMessage().contains("\"errorCode\":270009")) {
         return StreamFeatureGroup.builder()
             .featureStore(featureStore)
             .name(name)