[DOC-14124]: Query service’s documentation backend seems to have some problem

Removed alignment line causing the problem.

Author: RayOffiah

modules/indexes/pages/groupby-aggregate-performance.adoc

@@ -76,7 +76,6 @@ Note that the query engine does not fetch any data from the data service (KV ser
 
 skinparam maxMessageSize 150
 skinparam responseMessageBelowArrow true
-skinparam sequenceMessageAlign direction
 
 ' title Query Execution with Grouping and Aggregation Pushdown
 
@@ -111,7 +110,6 @@ For reference, this is how the same query would be executed without grouping and
 
 skinparam maxMessageSize 150
 skinparam responseMessageBelowArrow true
-skinparam sequenceMessageAlign direction
 
 ' title Query Execution without Grouping and Aggregation Pushdown