github: workflow: build: stop archiving firmwares

This causes the ci to fill up space, hence stop archiving firmwares

Signed-off-by: Dhruva Gole <d-gole@ti.com>

Author: DhruvaG2000

.github/workflows/build.yml

@@ -5,10 +5,20 @@ on: [push, pull_request]
 jobs:
   build:
     runs-on: ubuntu-latest
-    container: zephyrprojectrtos/ci:latest
     env:
       CMAKE_PREFIX_PATH: /opt/toolchains
     steps:
+      - name: Free disk
+        run: |
+          df -h
+          ls -la /dev/root
+          sudo apt-get -qq purge build-essential ghc*
+          sudo apt-get clean
+          df -h
+          /usr/bin/docker system prune -af
+          sudo rm -rf /usr/local/*
+          df -h
+
       - name: Checkout
         uses: actions/checkout@v2
         with:
@@ -37,8 +47,3 @@ jobs:
         run: |
           west build -p -b beagleconnect_freedom samples/analog_input
 
-      - name: Archive firmware
-        uses: actions/upload-artifact@v2
-        with:
-          name: firmware
-          path: Arduino-Zephyr-API/build/zephyr/zephyr.*