misc: remove Qt Positioning from dependencies and add Qt Widgets

GitLab: #733
Change-Id: I3daa6558479d80650bbf71577c8cbcaee3d4cd64

CMakeLists.txt

@@ -37,12 +37,12 @@ set(QT_MODULES
     Gui
     Qml
     QmlModels
-    Positioning
     Sql
     Concurrent
     Core
     Core5Compat
     Multimedia
+    Widgets
 )
 
 if(NOT DEFINED WITH_WEBENGINE)

INSTALL.md

@@ -136,7 +136,6 @@ Only 64-bit MSVC build can be compiled.
   - Additional Libraries
     - Qt Multimedia
     - Qt Network Authorization
-    - Qt Positioning
     - Qt WebChannel
     - Qt WebEngine
     - Qt WebSockets

src/utils.h

@@ -26,7 +26,6 @@
 #include <QDir>
 
 #include <QImage>
-#include <QItemDelegate>
 #include <QLabel>
 #include <QListWidget>
 #include <QMessageBox>