Revert install step changes

Author: TucksonDev

.github/workflows/format.yml

@@ -7,26 +7,15 @@ on:
       - master
 
 jobs:
-  install:
-    name: 'Install'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout files
-        uses: actions/checkout@v4
-
-      - name: Install node_modules
-        uses: OffchainLabs/actions/node-modules/install@main
-
   check-formatting:
     name: 'Check Formatting'
     runs-on: ubuntu-latest
-    needs: install
     steps:
       - name: Checkout files
         uses: actions/checkout@v4
 
       - name: Restore node_modules
-        uses: OffchainLabs/actions/node-modules/restore@main
+        uses: OffchainLabs/actions/node-modules/install@main
 
       - name: Check formatting with Prettier
         run: yarn prettier:format

.github/workflows/test-all.yml

@@ -15,26 +15,15 @@ env:
   TransferTo: '0x3f1Eae7D46d88F08fc2F8ed27FCb2AB183EB2d0E'
 
 jobs:
-  install:
-    name: 'Install'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout files
-        uses: actions/checkout@v4
-
-      - name: Install node_modules
-        uses: OffchainLabs/actions/node-modules/install@main
-
   test-all:
     name: Test all tutorials
     runs-on: ubuntu-latest
-    needs: install
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Restore node_modules
-        uses: OffchainLabs/actions/node-modules/restore@main
+        uses: OffchainLabs/actions/node-modules/install@main
 
       - name: Set up the local node
         # https://github.com/OffchainLabs/actions/blob/feat-simplify/run-nitro-test-node/action.yml