Remove snippets from search types

[kamilmielnik]

Description

Snippets are not supported in search API, see:

metabase/src/metabase/search/config.clj

Lines 48 to 59 in a536c2d

	(def model-to-db-model
	"Mapping from string model to the Toucan model backing it."
	{"action" {:db-model :model/Action :alias :action}
	"card" {:db-model :model/Card :alias :card}
	"collection" {:db-model :model/Collection :alias :collection}
	"dashboard" {:db-model :model/Dashboard :alias :dashboard}
	"database" {:db-model :model/Database :alias :database}
	"dataset" {:db-model :model/Card :alias :card}
	"indexed-entity" {:db-model :model/ModelIndexValue :alias :model-index-value}
	"metric" {:db-model :model/LegacyMetric :alias :metric}
	"segment" {:db-model :model/Segment :alias :segment}
	"table" {:db-model :model/Table :alias :table}})

How to verify

TS check is all green.

[replay-io]

Status	Complete ↗︎
Commit	d8ea743
Results	⚠️ 11 Flaky ✅ 2460 Passed

[github-actions]

@kamilmielnik Did you forget to add a milestone to the issue for this PR? When and where should I add a milestone?