input_common/main: Remove unnecessary headers

src/input_common/main.h

@@ -8,13 +8,19 @@
 #include <string>
 #include <unordered_map>
 #include <vector>
-#include "input_common/gcadapter/gc_poller.h"
-#include "input_common/settings.h"
 
 namespace Common {
 class ParamPackage;
 }
 
+namespace Settings::NativeAnalog {
+enum Values : int;
+}
+
+namespace Settings::NativeButton {
+enum Values : int;
+}
+
 namespace InputCommon {
 namespace Polling {