Remove the KIO dependency

I'm just sick and tired of people complaining krita needs "all of
KDE" because some distributions pull in kwallet just because we
use KIO for registering recently used files with the desktop.

CMakeLists.txt

@@ -341,14 +341,6 @@ if (NOT WIN32 AND NOT APPLE)
         TYPE OPTIONAL
         PURPOSE "Optionally used to provide a dbus api on Linux")
 
-    find_package(KF5KIO ${MIN_FRAMEWORKS_VERSION})
-    macro_bool_to_01(KF5KIO_FOUND HAVE_KIO)
-    set_package_properties(KF5KIO PROPERTIES
-        DESCRIPTION "KDE's KIO Framework"
-        URL "http://api.kde.org/frameworks-api/frameworks5-apidocs/kio/html/index.html"
-        TYPE OPTIONAL
-        PURPOSE "Optionally used for recent document handling")
-
     find_package(KF5Crash ${MIN_FRAMEWORKS_VERSION})
     macro_bool_to_01(KF5Crash_FOUND HAVE_KCRASH)
     set_package_properties(KF5Crash PROPERTIES

KoConfig.h.cmake

@@ -49,9 +49,6 @@
 /* Defines if we use lcms2.4 */
 #cmakedefine HAVE_LCMS24 1
 
-/* Defines if KIO is present */
-#cmakedefine HAVE_KIO 1
-
 /* Defines if DBUS is present */
 #cmakedefine HAVE_DBUS 1
 

libs/ui/CMakeLists.txt

@@ -548,10 +548,6 @@ if (HAVE_QT_MULTIMEDIA)
     target_link_libraries(kritaui Qt5::Multimedia)
 endif()
 
-if (HAVE_KIO)
-    target_link_libraries(kritaui KF5::KIOCore)
-endif() 
-
 if (NOT WIN32 AND NOT APPLE)
   target_link_libraries(kritaui ${X11_X11_LIB}
                                 ${X11_Xinput_LIB}

libs/ui/KisMainWindow.cpp

@@ -74,9 +74,6 @@
 #include "kis_selection_manager.h"
 #include "kis_icon_utils.h"
 
-#ifdef HAVE_KIO
-#include <krecentdocument.h>
-#endif
 #include <krecentfilesaction.h>
 #include <KoResourcePaths.h>
 #include <ktoggleaction.h>
@@ -724,17 +721,7 @@ void KisMainWindow::addRecentURL(const QUrl &url)
                     break;
                 }
             }
-#ifdef HAVE_KIO
-            if (ok) {
-                KRecentDocument::add(QUrl::fromLocalFile(path));
-            }
-#endif
         }
-#ifdef HAVE_KIO
-        else {
-            KRecentDocument::add(url.adjusted(QUrl::StripTrailingSlash));
-        }
-#endif
         if (ok) {
             d->recentFiles->addUrl(url);
         }