Fixed compiler warning.

examples/common/entry/entry_osx.mm

@@ -311,9 +311,6 @@ namespace entry
 							else
 							{
 								enum { ShiftMask = Modifier::LeftShift|Modifier::RightShift };
-								const bool nonShiftModifiers = (0 != (modifiers&(~ShiftMask) ) );
-								const bool isCharPressed = (Key::Key0 <= key && key <= Key::KeyZ) || (Key::Esc <= key && key <= Key::Minus);
-								const bool isText = isCharPressed && !nonShiftModifiers;
 								m_eventQueue.postCharEvent(s_defaultWindow, 1, pressedChar);
 								m_eventQueue.postKeyEvent(s_defaultWindow, key, modifiers, true);
 								return false;