Remove bfetch plugin

.github/CODEOWNERS

@@ -59,9 +59,7 @@ packages/kbn-babel-register @elastic/kibana-operations
 packages/kbn-babel-transform @elastic/kibana-operations
 x-pack/plugins/banners @elastic/appex-sharedux
 packages/kbn-bazel-runner @elastic/kibana-operations
-packages/kbn-bfetch-error @elastic/appex-sharedux
 examples/bfetch_explorer @elastic/appex-sharedux
-src/plugins/bfetch @elastic/appex-sharedux
 packages/kbn-calculate-auto @elastic/obs-ux-management-team
 packages/kbn-calculate-width-from-char-count @elastic/kibana-visualizations
 x-pack/plugins/canvas @elastic/kibana-presentation

.i18nrc.json

@@ -9,7 +9,6 @@
     "autocomplete": "packages/kbn-securitysolution-autocomplete/src",
     "avcBanner": "packages/kbn-avc-banner/src",
     "bfetch": "src/plugins/bfetch",
-    "bfetchError": "packages/kbn-bfetch-error",
     "cases": ["packages/kbn-cases-components"],
     "cellActions": "packages/kbn-cell-actions",
     "charts": "src/plugins/charts",

docs/management/advanced-options.asciidoc

@@ -43,12 +43,6 @@ Change the settings that apply only to {kib} spaces.
 [[auto-complete-use-time-tange]]`autocomplete:useTimeRange`::
 When disabled, autocompletes the suggestions from your data set instead of the time range.
 
-[[bfetch-disable]]`bfetch:disable`::
-deprecated:[8.15.0] When disabled, search requests from Kibana will be made in individual HTTP requests rather than bundled together.  
-
-[[bfetch-disable-compression]]`bfetch:disableCompression`::
-deprecated:[8.15.0] When disabled, allows you to debug individual requests, but increases the response size.
-
 [[csv-quotevalues]]`csv:quoteValues`::
 Set this property to `true` to quote exported values.