Utils lib: Remove unneeded includes from cpp files

It's a result of a team work consisting of yellow triangle and me.

Change-Id: I8b4812766da70e0785ae71bf0cb71357379e2514
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/libs/utils/launcherinterface.cpp

@@ -26,7 +26,6 @@
 #include "launcherinterface.h"
 
 #include "filepath.h"
-#include "launcherpackets.h"
 #include "launchersocket.h"
 #include "qtcassert.h"
 #include "temporarydirectory.h"