Update docker-image.yml

Removed excess build steps

.github/workflows/docker-image.yml

@@ -1,37 +1,18 @@
 ---
-name: Docker Image CI
+name: Build BoringTun packages
 
 on:
   push:
-    branches: ["master", "N-Storm-CI-boringtun-packages"]
+    branches: [ "master" ]
   pull_request:
-    branches: ["master", "N-Storm-CI-boringtun-packages"]
+    branches: [ "master" ]
 
 jobs:
   build:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4.1.1
-      - name: Build the Docker image
-        run: docker build --file build/Dockerfile --tag boringtun-builds:$(date +%s) build/
-
-      # - uses: actions/checkout@v3
-      - name: Build & extract the BoringTun packages.
+      - name: Checkout repo
+        uses: actions/checkout@v4
+      - name: Build BoringTun packages.
         run: cd build; bash ./BUILD.sh
-
-      - uses: actions/cache@v4.0.1
-        name: Cache package files
-        with:
-          # A list of files, directories, and wildcard patterns to cache and restore
-          path: build/packages/*
-          # An explicit key for restoring and saving the cache
-          key: boringtun-packages
-          restore-keys: boringtun-packages
-          # The chunk size used to split up large files during upload, in bytes
-          upload-chunk-size: 500000 # optional
-          # An optional boolean when enabled, allows windows runners to save or restore caches that can be restored or saved respectively on other platforms
-          enableCrossOsArchive: true # optional, default is false
-          # Run the post step to save the cache even if another step before fails
-          save-always: false # optional, default is false
-