docs: standardize terminology to DataHub Cloud (datahub-project#11003)

Author: yoonhyejin

datahub-graphql-core/src/main/resources/app.graphql

@@ -469,7 +469,7 @@ type FeatureFlagsConfig {
   platformBrowseV2: Boolean!
 
   """
-  Whether we should show CTAs in the UI related to moving to Managed DataHub by Acryl.
+  Whether we should show CTAs in the UI related to moving to DataHub Cloud by Acryl.
   """
   showAcrylInfo: Boolean!
   """

datahub-graphql-core/src/main/resources/entity.graphql

@@ -890,7 +890,7 @@ type Mutation {
     """
     Creates a filter for a form to apply it to certain entities. Entities that match this filter will have
     a given form applied to them.
-    This feature is ONLY supported in Acryl DataHub.
+    This feature is ONLY supported in DataHub Cloud.
     """
     createDynamicFormAssignment(input: CreateDynamicFormAssignmentInput!): Boolean