ci: remove default env

Author: daipham3213

.github/workflows/build.yml

@@ -12,12 +12,6 @@ concurrency:
   group: "pages"
   cancel-in-progress: false
 
-env:
-  VITE_EMULATOR_VGA: 16
-  VITE_EMULATOR_RAM: 128
-  VITE_NETWORK_RELAY: 'wss://relay.widgetry.org/'
-  VITE_ROOTFS_ISO: 'https://rawcdn.githack.com/daipham3213/bitbox-buildroot/7a285bad23e998129509059ae72b8f4fd9404dac/rootfs.iso?min=1'
-
 jobs:
   build:
     runs-on: ubuntu-latest