build: remove third party submodules

Most of these are extremely common in distributions now, so packagers
don't have much need for our in-tree versions - most don't even use them
as is

With our move to vcpkg for Windows/macOS, we also don't have a need for
them. So time to say goodbye!

Signed-off-by: Seth Flynn <getchoo@tuta.io>

.github/actions/setup-dependencies/linux/action.yml

@@ -11,9 +11,31 @@ runs:
         sudo apt-get -y install \
           dpkg-dev \
           ninja-build extra-cmake-modules pkg-config scdoc \
-          cmark-dev libarchive-dev libqrencode-dev tomlplusplus-dev zlib-dev \
+          cmark libarchive-dev libcmark-dev libqrencode-dev zlib1g-dev \
           appstream libxcb-cursor-dev
 
+      # TODO(@getchoo): Install with the above when all targets use Ubuntu 24.04
+    - name: Install tomlplusplus
+      if: ${{ runner.arch == 'ARM64' }}
+      shell: bash
+      run: |
+        sudo apt-get -y install libtomlplusplus-dev
+
+      # FIXME(@getchoo): THIS IS HORRIBLE TO DO!
+      # Install tomlplusplus from Ubuntu 24.04, since it never got backported to 22.04
+      # I've done too much to continue keeping this as a submodule....
+    - name: Install tomlplusplus from 24.04
+      if: ${{ runner.arch != 'ARM64' }}
+      shell: bash
+      run: |
+        deb_arch="$(dpkg-architecture -q DEB_HOST_ARCH)"
+        curl -Lo libtomlplusplus-dev.deb http://mirrors.kernel.org/ubuntu/pool/universe/t/tomlplusplus/libtomlplusplus-dev_3.4.0+ds-0.2build1_"$deb_arch".deb
+        curl -Lo libtomlplusplus3t64.deb http://mirrors.kernel.org/ubuntu/pool/universe/t/tomlplusplus/libtomlplusplus3t64_3.4.0+ds-0.2build1_"$deb_arch".deb
+        sudo dpkg -i libtomlplusplus3t64.deb
+        sudo dpkg -i libtomlplusplus-dev.deb
+        rm *.deb
+        sudo apt-get install -f
+
     - name: Setup AppImage tooling
       shell: bash
       run: |