Don't include xcb_icccm.h

We just need this constant, so there's no real need to add the
additional dependency. There's also no real harm in adding it, but it
would result in additional work for every packager.

src/wine-host/editor.h

@@ -18,7 +18,6 @@
 
 #include <memory>
 #include <optional>
-#include <string>
 
 #include <windows.h>
 #include <function2/function2.hpp>
@@ -27,7 +26,6 @@
 #pragma push_macro("_WIN32")
 #undef _WIN32
 #include <xcb/xcb.h>
-#include <xcb/xcb_icccm.h>
 #pragma pop_macro("_WIN32")
 
 #include "../common/configuration.h"