Correct redundant version string

GitAddonsManager.pro

@@ -40,11 +40,9 @@ win32 {
     DEFINES += _WIN32_WINNT=0x06010000
 }
 
-GIT_TAG = $$system(git describe --tags)
-GIT_SHA = $$system(git rev-parse --short HEAD)
+GIT_DESCRIBE = $$system(git describe --tags)
 
-DEFINES += GIT_TAG=\\\"$$GIT_TAG\\\" \
-    GIT_SHA=\\\"$$GIT_SHA\\\"
+DEFINES += GIT_DESCRIBE=\\\"$$GIT_DESCRIBE\\\"
 
 DISTFILES += \
     README.md

main.cpp

@@ -36,7 +36,7 @@ int main(int argc, char *argv[])
         return Control::instance();
     });
     qmlRegisterUncreatableType<Addon>("GitAddonsManager.engine",1,0,"Addon","");
-    engine.rootContext()->setContextProperty("gitVersion", QString("%1 (%2)").arg(GIT_TAG, GIT_SHA));
+    engine.rootContext()->setContextProperty("gitVersion", GIT_DESCRIBE);
     engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
     if (engine.rootObjects().isEmpty())
         return -1;