[ox/std] Fix Integer assignment operator return

(synced from acd93337d4)

src/ox/std/strongint.hpp

@@ -120,8 +120,7 @@ constexpr Integer<T, Base>::Integer(const Integer<T, Base> &i) noexcept: Base(i)
 template<typename T, class Base>
 constexpr Integer<T, Base> &Integer<T, Base>::operator=(Integer<T, Base> i) noexcept {
 	// needed in case T has nodiscard
-	constexpr auto ignore = [](Base) {};
-	ignore(Base::operator=(i));
+	Base::operator=(i);
 	m_i = i.m_i;
 	return *this;
 }