Remove @disjoint_base from UnaryExpr in stubs (re-added by generator)

Author: Joao-Dionisio

src/pyscipopt/scip.pyi

@@ -2237,7 +2237,6 @@ class Term:
     def __mul__(self, other: Incomplete, /) -> Incomplete: ...
     def __ne__(self, other: object, /) -> bool: ...
 
-@disjoint_base
 class UnaryExpr(GenExpr):
     def __init__(self, *args: Incomplete, **kwargs: Incomplete) -> None: ...
     def __abs__(self) -> Incomplete: ...