chore(eslint): Remove the plugin-specific .eslintrc files

plugins/plugin-scalebox/.eslintrc.yml

@@ -1,18 +0,0 @@
-env:
-  browser: true
-  es2021: true
-extends: eslint:recommended
-overrides:
-  - files: ["*.yaml", "*.yml"]
-    plugins: ["yaml"]
-    extends: ["plugin:yaml/recommended"]
-parserOptions:
-  ecmaVersion: latest
-  sourceType: module
-rules: {}
-globals:
-  it: readonly
-  describe: readonly
-  process: readonly
-  __dirname: readonly
-