Update package dependencies

.appveyor.yml

@@ -67,7 +67,7 @@ for:
           sudo apt-get -y install build-essential cmake git \
             devscripts fakeroot debhelper libfftw3-dev qtbase5-dev libqt5opengl5-dev \
             qttools5-dev qttools5-dev-tools qtmultimedia5-dev libqt5multimedia5-plugins libqt5websockets5-dev \
-            libqt5serialport5 libqt5quick5 qtpositioning5 \
+            libqt5quick5 \
             qml-module-qtlocation qml-module-qtpositioning qml-module-qtquick-window2 qml-module-qtquick-dialogs \
             qml-module-qtquick-controls qml-module-qtquick-layouts \
             libqt5serialport5-dev qtdeclarative5-dev qtpositioning5-dev qtlocation5-dev \

debian/control

@@ -13,9 +13,7 @@ Build-Depends: debhelper (>= 9),
  qtmultimedia5-dev,
  libqt5multimedia5-plugins,
  libqt5websockets5-dev,
- libqt5serialport5,
  libqt5quick5,
- qtpositioning5,
  qml-module-qtlocation,
  qml-module-qtpositioning,
  qml-module-qtquick-window2,