Remove CodeClimate (#18867)

.codeclimate.yml

@@ -1,77 +0,0 @@
-version: "2"
-checks:
-  argument-count:
-    enabled: true
-    config:
-      threshold: 4
-  complex-logic:
-    enabled: true
-    config:
-      threshold: 4
-  file-lines:
-    enabled: true
-    config:
-      threshold: 250
-  method-complexity:
-    enabled: false
-    config:
-      threshold: 5
-  method-count:
-    enabled: true
-    config:
-      threshold: 20
-  method-lines:
-    enabled: true
-    config:
-      threshold: 50
-  nested-control-flow:
-    enabled: true
-    config:
-      threshold: 4
-  return-statements:
-    enabled: true
-    config:
-      threshold: 4
-  similar-code:
-    enabled: true
-    config:
-      threshold: #language-specific defaults. overrides affect all languages.
-  identical-code:
-    enabled: true
-    config:
-      threshold: #language-specific defaults. overrides affect all languages.
-plugins:
-  rubocop:
-    enabled: true
-    channel: rubocop-1-10
-  brakeman:
-    enabled: true
-  eslint:
-    enabled: true
-    channel: "eslint-8"
-    exclude_patterns:
-      - "app/javascript/**/index.js" # exclude barrel files
-  duplication:
-    enabled: true
-    config:
-      count_threshold: 3
-exclude_patterns:
-  - "**/*.test.js"
-  - "**/*.test.jsx"
-  - "**/.eslintrc.js"
-  - "**/__stories__/"
-  - "**/__tests__/"
-  - "*.js"
-  - "app/assets/javascripts/lib/"
-  - "bin/"
-  - "config/"
-  - "db/"
-  - "dist/"
-  - "features/"
-  - "lib/tasks/"
-  - "node_modules/"
-  - "script/"
-  - "spec/"
-  - "test/"
-  - "tests/"
-  - "vendor/"

.slugignore

@@ -1,5 +1,4 @@
 .buildkite/
-.codeclimate.yml
 .dockerignore
 .editorconfig
 .env_sample