modernize-redundant-void-arg

Find and remove redundant void argument lists.

Examples:

Initial code	Code with applied fixes
int f(void);	int f();
int (*f(void))(void);	int (*f())();
typedef int (*f_t(void))(void);	typedef int (*f_t())();
void (C::*p)(void);	void (C::*p)();
C::C(void) {}	C::C() {}
C::~C(void) {}	C::~C() {}