Simplify ESLint config (graphql#2656)

Author: IvanGoncharov

.eslintrc.yml

@@ -11,6 +11,11 @@ plugins:
  - node
  - istanbul
  - import
+settings:
+ flowtype:
+ onlyFilesWithFlowAnnotation: true
+ node:
+ tryExtensions: ['.js', '.json', '.node', '.ts', '.d.ts']
 
 rules:
  ##############################################################################
@@ -493,11 +498,7 @@ overrides:
  - '@typescript-eslint'
  extends:
  - plugin:import/typescript
- settings:
- node:
- tryExtensions: ['.js', '.json', '.node', '.ts', '.d.ts']
  rules:
- flowtype/require-valid-file-annotation: off
  flowtype/no-types-missing-file-annotation: off
 
  ##########################################################################