Drop build_release as it will be merged into master

.github/workflows/rolling.yml

@@ -37,7 +37,6 @@ jobs:
       run: |
         wget https://raw.githubusercontent.com/netbootxyz/netboot.xyz/development/endpoints.yml -O endpoints.yml
         wget https://raw.githubusercontent.com/netbootxyz/netboot.xyz/development/roles/netbootxyz/defaults/main.yml -O roles/netbootxyz/defaults/main.yml
-        wget https://raw.githubusercontent.com/netbootxyz/netboot.xyz/development/script/build_release -O script/build_release
         chmod +x script/build_release
         
     - name: Build release