[7.x] [FieldFormatters] Remove aggs format decorator from fieldFormats.deserialize() (#106755)

[kibanamachine]

Backports the following commits to 7.x:

• [FieldFormatters] Remove aggs format decorator from fieldFormats.deserialize() ([FieldFormatters] Remove aggs format decorator from fieldFormats.deserialize() #106755)

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: d140bd5
• Storybooks Preview

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
data	598	597	-1

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
data	843.0KB	843.4KB	+421.0B

Unknown metric groups

API count

id	before	after	diff
data	3761	3763	+2

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @Dosant