Revert "Enhance CI"

.github/workflows/ci.yml

@@ -7,10 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Check Composer configuration
-      run: composer validate --strict
+    - uses: actions/checkout@v2
     - name: Install dependencies
       run: composer install
     - name: Start Redis

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "b717375eb6a119696c1585c50589ddfc",
+    "content-hash": "5490f9d950e736c489a8814c07b7f580",
     "packages": [
         {
             "name": "brick/math",
@@ -5080,8 +5080,6 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": {
-        "ext-redis": "*"
-    },
+    "platform-dev": [],
     "plugin-api-version": "1.1.0"
 }