Revert "Mimic dirty tracking behavior in hibernate by comparing the current state to the session snapshot instead of relying solely on DirtyCheckable setters."

This reverts commit 8a0f418.

Author: codeconsole

grails-data-mongodb/core/src/main/groovy/org/grails/datastore/gorm/mongo/MongoGormEnhancer.groovy

@@ -23,11 +23,9 @@ import groovy.transform.CompileStatic
 import org.springframework.transaction.PlatformTransactionManager
 
 import org.grails.datastore.gorm.GormEnhancer
-import org.grails.datastore.gorm.GormInstanceApi
 import org.grails.datastore.gorm.finders.DynamicFinder
 import org.grails.datastore.mapping.mongo.MongoDatastore
 import org.grails.datastore.mapping.mongo.connections.MongoConnectionSourceSettings
-import org.grails.datastore.gorm.mongo.api.MongoGormInstanceApi
 
 /**
  * GORM enhancer for Mongo.
@@ -61,10 +59,4 @@ class MongoGormEnhancer extends GormEnhancer {
         this(datastore, null)
     }
 
-    @Override
-    protected <D> GormInstanceApi<D> getInstanceApi(Class<D> cls, String qualifier) {
-        MongoDatastore mongoDatastore = (MongoDatastore) datastore
-        new MongoGormInstanceApi<D>(cls, mongoDatastore.getDatastoreForConnection(qualifier))
-    }
-
 }