Don't build on linux-legacy

Contributes CURA-10951

.github/workflows/conan-package-create.yml

@@ -119,7 +119,7 @@ jobs:
           sudo apt upgrade
           sudo apt install build-essential checkinstall libegl-dev zlib1g-dev libssl-dev ninja-build autoconf libx11-dev libx11-xcb-dev libfontenc-dev libice-dev libsm-dev libxau-dev libxaw7-dev libxcomposite-dev libxcursor-dev libxdamage-dev libxdmcp-dev libxext-dev libxfixes-dev libxi-dev libxinerama-dev libxkbfile-dev libxmu-dev libxmuu-dev libxpm-dev libxrandr-dev libxrender-dev libxres-dev libxss-dev libxt-dev libxtst-dev libxv-dev libxvmc-dev libxxf86vm-dev xtrans-dev libxcb-render0-dev libxcb-render-util0-dev libxcb-xkb-dev libxcb-icccm4-dev libxcb-image0-dev libxcb-keysyms1-dev libxcb-randr0-dev libxcb-shape0-dev libxcb-sync-dev libxcb-xfixes0-dev libxcb-xinerama0-dev xkb-data libxcb-dri3-dev uuid-dev libxcb-util-dev libxkbcommon-x11-dev pkg-config flex bison -y
 
-      - name: Install GCC-132 on ubuntu
+      - name: Install GCC-13 on ubuntu
         if: ${{ startsWith(inputs.runs_on, 'ubuntu') }}
         run: |
           sudo apt install g++-13 gcc-13 -y

.github/workflows/installers.yml

@@ -48,17 +48,6 @@ jobs:
             operating_system: ubuntu-22.04
         secrets: inherit
 
-    linux-legacy-installer:
-        uses: ./.github/workflows/linux.yml
-        with:
-            cura_conan_version: ${{ inputs.cura_conan_version }}
-            conan_args: ${{ inputs.conan_args }}
-            enterprise: ${{ inputs.enterprise }}
-            staging: ${{ inputs.staging }}
-            architecture: X64
-            operating_system: ubuntu-20.04
-        secrets: inherit
-
     macos-installer:
         uses: ./.github/workflows/macos.yml
         with:

.github/workflows/linux.yml

@@ -179,10 +179,7 @@ jobs:
         run: |
           import os
           enterprise = "-Enterprise" if "${{ inputs.enterprise }}" == "true" else ""
-          if "${{ inputs.operating_system }}" == "ubuntu-22.04":
-              installer_filename = f"UltiMaker-Cura-{os.getenv('CURA_VERSION_FULL')}{enterprise}-linux-modern-${{ inputs.architecture }}"
-          else:
-              installer_filename = f"UltiMaker-Cura-{os.getenv('CURA_VERSION_FULL')}{enterprise}-linux-${{ inputs.architecture }}"
+          installer_filename = f"UltiMaker-Cura-{os.getenv('CURA_VERSION_FULL')}{enterprise}-linux-${{ inputs.architecture }}"
           output_env = os.environ["GITHUB_OUTPUT"]
           content = ""
           if os.path.exists(output_env):