DOCSP-30345: Update Kotlin SDK's Update page (mongodb#3059)

## Pull Request Info

Update existing
[Update](https://www.mongodb.com/docs/realm/sdk/kotlin/realm-database/crud/update/)
page with missing content and improved code examples using updated
object models

### Jira

- https://jira.mongodb.org/browse/DOCSP-30345

### Staged Changes

- [Update - Kotlin
SDK](https://preview-mongodbcbullinger.gatsbyjs.io/realm/docsp-30345-update-page/sdk/kotlin/realm-database/crud/update/)
- add missing sections and update code examples
- [Delete - Kotlin
SDK](https://preview-mongodbcbullinger.gatsbyjs.io/realm/docsp-30345-update-page/sdk/kotlin/realm-database/crud/delete/)
- small updates
- [Supported Types - Kotlin SDK
](https://preview-mongodbcbullinger.gatsbyjs.io/realm/docsp-30345-update-page/sdk/kotlin/realm-database/schemas/supported-types/)-
small updates

### Reminder Checklist

If your PR modifies the docs, you might need to also update some
corresponding
pages. Check if completed or N/A.

- [x] Create Jira ticket for corresponding docs-app-services update(s),
if any
- [x] Checked/updated Admin API
- [x] Checked/updated CLI reference

### Review Guidelines


[REVIEWING.md](https://github.com/mongodb/docs-realm/blob/master/REVIEWING.md)

examples/kotlin/shared/src/commonTest/kotlin/com/mongodb/realm/realmkmmapp/DataTypesTest.kt

@@ -38,76 +38,6 @@ class Contact : RealmObject {
 }
 
 class DataTypesTest : RealmTest() {
-    @Test
-    fun createEmbeddedObject() {
-        runBlocking {
-            val config = RealmConfiguration.Builder(
-                setOf(Contact::class, EmbeddedAddress::class)
-            )
-                .build()
-            val realm = Realm.open(config)
-            realm.write {
-                val contact = copyToRealm(Contact())
-                contact.apply {
-                    name = "Nick Riviera"
-                    address = EmbeddedAddress().apply {
-                        street = "123 Fake St"
-                        city = "Some Town"
-                        state = "MA"
-                        postalCode = "12345"
-                    }
-                }
-            }
-
-            val asyncCall: Deferred<Unit> = async {
-                val address: EmbeddedAddress = realm.query<EmbeddedAddress>().find().first()
-                val contact: Contact = realm.query<Contact>().find().first()
-                // :snippet-start: update-embedded-object
-                // Modify embedded object properties in a write transaction
-                realm.write {
-                    // Fetch the objects
-                    val addressToUpdate = findLatest(address) ?: error("Cannot find latest version of embedded object")
-                    val contactToUpdate = findLatest(contact) ?: error("Cannot find latest version of parent object")
-
-                    // Update a single embedded object property directly
-                    addressToUpdate.street = "100 10th St N"
-
-                    // Update multiple properties
-                    addressToUpdate.apply {
-                        street = "202 Coconut Court"
-                        city = "Los Angeles"
-                        state = "CA"
-                        postalCode = "90210"
-                    }
-
-                    // Update property through the parent object
-                    contactToUpdate.address?.state = "NY"
-                }
-                // :snippet-end:
-
-                // :snippet-start: overwrite-embedded-object
-                // Overwrite the embedded object in a write transaction
-                realm.write {
-                    // Fetch the parent object
-                    val parentObject: Contact =
-                        realm.query<Contact>("name == 'Nick Riviera'").find().first()
-
-                    // Overwrite the embedded object (deletes the existing object)
-                    parentObject.address = EmbeddedAddress().apply {
-                        street = "202 Coconut Court"
-                        city = "Los Angeles"
-                        state = "CA"
-                        postalCode = "90210"
-                    }
-                }
-                // :snippet-end:
-
-            }
-            asyncCall.cancel()
-            realm.close()
-            Realm.deleteRealm(config)
-        }
-    }
 
     @Test
     fun queryEmbeddedObject() {