Remove files unnecessary for AppImage build

AppImageBuilder.yml

@@ -1,126 +0,0 @@
-version: 1
-AppDir:
-  path: ${{github.workspace}}/AppDir
-  app_info:
-    id: qucs-s
-    name: Qucs-S
-    icon: qucs-s
-    version: latest
-    exec: usr/bin/qucs-s
-    exec_args: $@
-  apt:
-    arch: amd64
-    sources:
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ bionic main restricted universe multiverse
-      key_url: 'http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3b4fe6acc0b21f32'
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe multiverse
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
-    - sourceline: deb http://archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
-    - sourceline: deb http://archive.neon.kde.org/user/ bionic main
-      key_url: 'https://archive.neon.kde.org/public.key'
-    include:
-    - libbz2-1.0
-    - libexpat1
-    - libfam0
-    - libgcrypt20
-    - libkf5archive5
-    - libkf5attica5
-    - libkf5authcore5
-    - libkf5bookmarks5
-    - libkf5codecs5
-    - libkf5completion5
-    - libkf5configcore5
-    - libkf5configgui5
-    - libkf5configwidgets5
-    - libkf5coreaddons5
-    - libkf5crash5
-    - libkf5dbusaddons5
-    - libkf5globalaccel5
-    - libkf5guiaddons5
-    - libkf5i18n5
-    - libkf5iconthemes5
-    - libkf5itemviews5
-    - libkf5jobwidgets5
-    - libkf5kiocore5
-    - libkf5kiofilewidgets5
-    - libkf5kiogui5
-    - libkf5kiowidgets5
-    - libkf5notifications5
-    - libkf5service5
-    - libkf5solid5
-    - libkf5waylandclient5
-    - libkf5widgetsaddons5
-    - libkf5windowsystem5
-    - libkf5xmlgui5
-    - liblz4-1
-    - libpciaccess0
-    - libpcre3
-    - libqt5quickcontrols2-5
-    - libqt5quicktemplates2-5
-    - libqt5svg5
-    - libqt5texttospeech5
-    - libqt5x11extras5
-    - libsm6
-    - libsystemd0
-    - libxau6
-    - libxcb-render-util0
-    - libxcb-sync1
-    - libxcb-xinerama0
-    - libxcb-xkb1
-    - libxdamage1
-    - libxdmcp6
-    - libxext6
-    - libxfixes3
-    - libxrender1
-    - libxshmfence1
-    - libxxf86vm1
-    - qml-module-qtquick-controls2
-    - qml-module-qtquick-templates2
-    - qml-module-qtquick-window2
-    - qml-module-qtquick2
-    exclude:
-      - hicolor-icon-theme
-      - sound-theme-freedesktop
-      - perl
-      - perl-base
-      - kwayland-data
-      - libwacom2
-      - libasound2
-      - breeze
-      - breeze-icon-theme
-      - breeze-cursor-theme
-      - kwin-style-breeze
-      - kde-style-breeze
-      - plasma-integration
-  files:
-    exclude:
-    - usr/share/man
-    - usr/share/doc/*/README.*
-    - usr/share/doc/*/changelog.*
-    - usr/share/doc/*/NEWS.*
-    - usr/share/doc/*/TODO.*
-  test:
-    fedora:
-      image: appimagecrafters/tests-env:fedora-30
-      command: ./AppRun
-      use_host_x: true
-    debian:
-      image: appimagecrafters/tests-env:debian-stable
-      command: ./AppRun
-      use_host_x: true
-    arch:
-      image: appimagecrafters/tests-env:archlinux-latest
-      command: ./AppRun
-      use_host_x: true
-    centos:
-      image: appimagecrafters/tests-env:centos-7
-      command: ./AppRun
-      use_host_x: true
-    ubuntu:
-      image: appimagecrafters/tests-env:ubuntu-xenial
-      command: ./AppRun
-      use_host_x: true
-AppImage:
-  arch: x86_64
-  update-information: !ENV ${UPDATE_INFO}
-  sign-key: None

res/qucs-s.desktop

@@ -1,11 +0,0 @@
-[Desktop Entry]
-Encoding=UTF-8
-Name=Qucs-S
-Comment=An Universal GUI for Circuit Simulators
-Exec=qucs-s %U
-Icon=qucs-s
-Terminal=false
-
-Type=Application
-Categories=Education;Electronics
-StartupNotify=false