packages/cli: remove watch-deps and build-cache

.github/workflows/frontend.yml

@@ -14,8 +14,6 @@ jobs:
     env:
       CI: true
       NODE_OPTIONS: --max-old-space-size=4096
-      BACKSTAGE_CACHE_DIR: <repoRoot>/.backstage-build-cache
-      BACKSTAGE_CACHE_MAX_ENTRIES: 2
 
     steps:
       - uses: actions/checkout@v2
@@ -36,13 +34,6 @@ jobs:
         with:
           path: node_modules
           key: ${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
-      - name: cache build cache
-        uses: actions/cache@v2
-        with:
-          path: .backstage-build-cache
-          key: build-cache-${{ github.sha }}
-          restore-keys: |
-            build-cache-
       - name: use node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v1
         with:

.github/workflows/master.yml

@@ -15,8 +15,6 @@ jobs:
     env:
       CI: true
       NODE_OPTIONS: --max-old-space-size=4096
-      BACKSTAGE_CACHE_DIR: <repoRoot>/.backstage-build-cache
-      BACKSTAGE_CACHE_MAX_ENTRIES: 2
 
     steps:
       - uses: actions/checkout@v2
@@ -35,13 +33,6 @@ jobs:
         with:
           path: node_modules
           key: ${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}
-      - name: cache build cache
-        uses: actions/cache@v2
-        with:
-          path: .backstage-build-cache
-          key: build-cache-${{ github.sha }}
-          restore-keys: |
-            build-cache-
       - name: use node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v1
         with: