[ML][Meta] Technical debt and maintenance work for 8.14.0

[alvarezmelissa87]

This issue lists items from the dependency cache issue as well as the migration of js files to TypeScript issue as well as other tech debt resolved that was done as part of 8.14.

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1. [ML] Consolidate redundant time_buckets into @kbn/ml-time-buckets. #178756
   :ml backport:skip release_note:skip v8.14.0 +4
   
2. [ML] Removes duplicated service code used in Single Metric Viewer #178566
   :ml Feature:Anomaly Detection backport:skip release_note:skip v8.14.0 +5
   
3. [ML] [File data visualizer] Removing scss files #178314
   :ml Feature:File and Index Data Viz backport:skip release_note:fix v8.14.0 +5
   
4. [ML] Transforms: Use estypes.TransformGetTransformStatsTransformStats for transform stats. #180347
   :ml Feature:Transforms backport:skip release_note:skip v8.14.0 +5
   
5. [ML] Replaces jQuery's $el.width() with element.clientWidth. #180523
   :ml Feature:Anomaly Detection backport:skip release_note:skip technical debt v8.15.0 +6
   

Dependency cache #153476

The following are removed as of #176788

• chrome
• overlays
• theme
• autocomplete
• basePath
• savedSearch
• security
• dashboard
• dataVisualizer
• dataViews
• share
• lens

JS files that need to be migrated to TypeScript #153894

• ml/public/application/services/forecast_service_provider.ts [ML] Removes duplicated service code used in Single Metric Viewer #178566
• ml/public/application/timeseriesexplorer/timeseriesexplorer_utils/timeseriesexplorer_utils.js [ML] Removes duplicated service code used in Single Metric Viewer #178566

[elasticmachine]

Pinging @elastic/ml-ui (:ml)

[peteharverson]

Closing as all items planned for 8.14 are now complete.