remove unused fDeltaTime parameter

stepmania/src/arch/InputHandler/InputHandler_Xbox.cpp

@@ -54,7 +54,7 @@ InputHandler_Xbox::~InputHandler_Xbox()
 	}
 }
 
-void InputHandler_Xbox::Update(float fDeltaTime)
+void InputHandler_Xbox::Update()
 {
 	// check insertions and removals
 	DWORD dwInsert, dwRemove;
@@ -232,4 +232,4 @@ void InputHandler_Xbox::getHandles()
  * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  * PERFORMANCE OF THIS SOFTWARE.
- */
+ */