Remove Show dts.pre.tmp and Convert seeeduino_xiao bin to uf2 steps

.github/workflows/main.yml

@@ -237,23 +237,6 @@ jobs:
         run: west zephyr-export
       - name: Build
         run: west build -s zmk/app -b ${{ matrix.board }} -- ${{ steps.variables.outputs.shield-arg }} -DZMK_CONFIG="${GITHUB_WORKSPACE}/config"
-      - name: Show dts.pre.tmp
-        if: ${{ failure() }}
-        run: |
-          dts="build/zephyr/${{ matrix.board }}.dts.pre.tmp"
-          if [ -f "$dts" ]
-          then
-            cat -n "$dts"
-          fi
-      - name: Convert seeeduino_xiao bin to uf2
-        if: ${{ matrix.board == 'seeeduino_xiao' }}
-        run: |
-          bin='build/zephyr/zmk.bin'
-          uf2='build/zephyr/zmk.uf2'
-          if [ -f "$bin" -a ! -f "$uf2" ]
-          then
-            python3 ./tools/uf2/utils/uf2conv.py -c -f SAMD21 -o "$uf2" "$bin"
-          fi
       - name: Prepare firmware artifacts
         run: |
           for extension in "hex" "uf2"