Move asset updater to core, and remove the stupid dependency on desktop

It makes no sense for Core to depend on Desktop, and this removes that
circular dependency.

launcher/core/CMakeLists.txt

@@ -8,7 +8,8 @@ set(HEADERS
         include/squareboot.h
         include/squarelauncher.h
         include/patcher.h
-        include/steamapi.h)
+        include/steamapi.h
+        include/assetupdater.h)
 
 set(SRC
         src/encryptedarg.cpp
@@ -19,7 +20,8 @@ set(SRC
         src/squareboot.cpp
         src/squarelauncher.cpp
         src/patcher.cpp
-        src/steamapi.cpp)
+        src/steamapi.cpp
+        src/assetupdater.cpp)
 
 if (ENABLE_WATCHDOG)
     set(HEADERS ${HEADERS}
@@ -51,7 +53,6 @@ target_link_libraries(astra_core PUBLIC
         Qt5::Widgets  # widgets is required by watchdog, to be fixed/removed later
         Qt5::Quick # required for some type registrations
         PRIVATE
-        astra_desktop
         cotp
         crypto) # desktop is currently required by the core, to be fixed/removed later
 

launcher/core/src/launchercore.cpp

@@ -25,7 +25,6 @@
 #include "encryptedarg.h"
 #include "launchercore.h"
 #include "sapphirelauncher.h"
-#include "settingswindow.h"
 #include "squareboot.h"
 #include "squarelauncher.h"
 

launcher/desktop/CMakeLists.txt

@@ -1,6 +1,5 @@
 set(HEADERS
         include/aboutwindow.h
-        include/assetupdater.h
         include/bannerwidget.h
         include/desktopinterface.h
         include/gamescopesettingswindow.h
@@ -10,7 +9,6 @@ set(HEADERS
 
 set(SRC
         src/aboutwindow.cpp
-        src/assetupdater.cpp
         src/bannerwidget.cpp
         src/desktopinterface.cpp
         src/gamescopesettingswindow.cpp