chore: removed the project filter (#6590)

Author: NarayanBavisetti

apiserver/plane/app/views/issue/relation.py

@@ -272,10 +272,9 @@ def remove_relation(self, request, slug, project_id, issue_id):
 
         issue_relations = IssueRelation.objects.filter(
             workspace__slug=slug,
-            project_id=project_id,
         ).filter(
-            Q(issue_id=related_issue, related_issue_id=issue_id) |
-            Q(issue_id=issue_id, related_issue_id=related_issue)
+            Q(issue_id=related_issue, related_issue_id=issue_id)
+            | Q(issue_id=issue_id, related_issue_id=related_issue)
         )
         issue_relations = issue_relations.first()
         current_instance = json.dumps(