virtual input cpp files had pragma once in them

public/blah/input/virtual_axis.cpp

@@ -1,4 +1,3 @@
-#pragma once
 #include <blah/input/virtual_axis.h>
 #include <blah/time.h>
 #include <blah/log.h>

public/blah/input/virtual_button.cpp

@@ -1,4 +1,3 @@
-#pragma once
 #include <blah/input/virtual_button.h>
 #include <blah/time.h>
 #include <blah/log.h>

public/blah/input/virtual_stick.cpp

@@ -1,4 +1,3 @@
-#pragma once
 #include <blah/input/virtual_stick.h>
 #include <blah/time.h>
 #include <blah/log.h>