Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -17,17 +17,9 @@ build-flatpak:
     - flatpak/spectral.flatpak
 
 build-appimage:
-  image: ubuntu:bionic
+  image: black0/qt
   stage: build
   before_script:
-    - apt-get update
-    - apt-get install software-properties-common -y
-    - add-apt-repository ppa:beineri/opt-qt-5.11.1-bionic -y
-    - apt-get update
-    - apt-get install qt511-meta-full git wget -y
-    - source /opt/qt*/bin/qt*-env.sh
-    - wget -c -nv "https://github.com/probonopd/linuxdeployqt/releases/download/continuous/linuxdeployqt-continuous-x86_64.AppImage"
-    - chmod a+x linuxdeployqt-continuous-x86_64.AppImage
     - git submodule update --init --recursive
   script:
     - qmake CONFIG+=release PREFIX=deploy