hid: remove the touch field from PadState (#2557)

src/core/frontend/emu_window.cpp

@@ -70,14 +70,12 @@ void EmuWindow::TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y) {
               (framebuffer_layout.bottom_screen.bottom - framebuffer_layout.bottom_screen.top);
 
     touch_pressed = true;
-    pad_state.touch.Assign(1);
 }
 
 void EmuWindow::TouchReleased() {
     touch_pressed = false;
     touch_x = 0;
     touch_y = 0;
-    pad_state.touch.Assign(0);
 }
 
 void EmuWindow::TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y) {

src/core/hle/service/hid/hid.h

@@ -42,8 +42,6 @@ struct PadState {
         BitField<14, 1, u32> zl;
         BitField<15, 1, u32> zr;
 
-        BitField<20, 1, u32> touch;
-
         BitField<24, 1, u32> c_right;
         BitField<25, 1, u32> c_left;
         BitField<26, 1, u32> c_up;
@@ -203,8 +201,6 @@ const PadState PAD_Y = {{1u << 11}};
 const PadState PAD_ZL = {{1u << 14}};
 const PadState PAD_ZR = {{1u << 15}};
 
-const PadState PAD_TOUCH = {{1u << 20}};
-
 const PadState PAD_C_RIGHT = {{1u << 24}};
 const PadState PAD_C_LEFT = {{1u << 25}};
 const PadState PAD_C_UP = {{1u << 26}};