EGE/src/ege/: 简化按键处理实现；移除无用的输入回调。

Signed-off-by: FrankHB <frankhb1989@gmail.com>
EGE 库：移除输入回调类型。

Signed-off-by: FrankHB <frankhb1989@gmail.com>
EGE/src/ege/global.h: 移除冗余状态。

Signed-off-by: FrankHB <frankhb1989@gmail.com>