Revert "first try to fix building with OpenWRT toolchain that does not include QtCore and QtGui in the include path"

This reverts commit da88ec21cd.

This was not the right solution

monav/unicodetournamenttrie/trie.h

@@ -20,7 +20,7 @@ along with MoNav.  If not, see <http://www.gnu.org/licenses/>.
 #ifndef TRIE_H
 #define TRIE_H
 
-#include <QtCore/QString>
+#include <QString>
 #include <vector>
 #include "utils/coordinates.h"
 #include "utils/bithelpers.h"

monav/unicodetournamenttrie/unicodetournamenttrieclient.cpp

@@ -23,10 +23,10 @@ along with MoNav.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "unicodetournamenttrieclient.h"
 #include "utils/qthelpers.h"
-#include <QtCore/QtDebug>
+#include <QtDebug>
 #include <algorithm>
 #ifndef NOGUI
- #include <QtGui/QMessageBox>
+ #include <QMessageBox>
 #endif
 
 UnicodeTournamentTrieClient::UnicodeTournamentTrieClient()

monav/unicodetournamenttrie/unicodetournamenttrieclient.h

@@ -20,9 +20,9 @@ along with MoNav.  If not, see <http://www.gnu.org/licenses/>.
 #ifndef UNICODETOURNAMENTTRIECLIENT_H
 #define UNICODETOURNAMENTTRIECLIENT_H
 
-#include <QtCore/QObject>
-#include <QtCore/QtPlugin>
-#include <QtCore/QFile>
+#include <QObject>
+#include <QtPlugin>
+#include <QFile>
 #include "interfaces/iaddresslookup.h"
 #include "trie.h"