Remove empty __init__ methods (#8816)

stdlib/xml/dom/xmlbuilder.pyi

@@ -56,7 +56,6 @@ class DOMBuilder:
     ACTION_APPEND_AS_CHILDREN: Literal[2]
     ACTION_INSERT_AFTER: Literal[3]
     ACTION_INSERT_BEFORE: Literal[4]
-    def __init__(self) -> None: ...
     def setFeature(self, name: str, state: int) -> None: ...
     def supportsFeature(self, name: str) -> bool: ...
     def canSetFeature(self, name: str, state: int) -> bool: ...