Reenable ESLint helpers for Observability (#206585)

## Summary

This re-enables the ESLint rules which help developers with translating
strings and adding instrumentation to React components.

.eslintrc.js

@@ -992,10 +992,9 @@ module.exports = {
     },
     {
       files: [
-        'x-pack/plugins/observability_solution/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
-        'x-pack/plugins/{streams,streams_app}/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
+        'x-pack/solutions/observability/plugins/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
+        'x-pack/solutions/observability/packages/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
         'src/plugins/ai_assistant_management/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
-        'x-pack/platform/packages/shared/observability/logs_overview/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
       ],
       rules: {
         '@kbn/i18n/strings_should_be_translated_with_i18n': 'warn',