Remove FindApplications.visit_Node override for coverage

Author: enwask

devito/ir/iet/visitors.py

@@ -1143,10 +1143,6 @@ def __init__(self, cls: type[ApplicationType] = Application):
     def _post_visit(self, ret):
         return set(ret)
 
-    def visit_Node(self, o: Node) -> Iterator[ApplicationType]:
-        for i in o.children:
-            yield from self._visit(i)
-
     def visit_Expression(self, o: Expression, **kwargs) -> Iterator[ApplicationType]:
         yield from o.expr.find(self.match)