Merge pull request #26257 from microsoftgraph/FaithOmbongi-patch-2

Update plannerchecklistitem.md

Author: FaithOmbongi

api-reference/beta/resources/plannerchecklistitem.md

@@ -30,10 +30,6 @@ The **plannerChecklistItem** resource represents an item in the checklist of a t
 
 None.
 
-## Relationships
-
-None.
-
 ## JSON representation
 
 The following JSON representation shows the resource type.