Removing supplier concept from the sql store (#16355)

* Removing supplier concept from the sql store

* Removing other metions to supplier

* Fixing gofmt

* Fixing gofmt

* Renaming NewSqlStore to New

* Fixing tests

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

store/sqlstore/plugin_store_test.go

@@ -10,5 +10,5 @@ import (
 )
 
 func TestPluginStore(t *testing.T) {
-	StoreTestWithSqlSupplier(t, storetest.TestPluginStore)
+	StoreTestWithSqlStore(t, storetest.TestPluginStore)
 }