removing hex video link (#4561)

this pr removes the old hex video loom and enables user to go directly
to hex docs

website/docs/docs/use-dbt-semantic-layer/sl-architecture.md

@@ -14,6 +14,8 @@ The dbt Semantic Layer allows you to define metrics and use various interfaces t
 
 <Lightbox src="/img/docs/dbt-cloud/semantic-layer/sl-architecture.jpg" width="85%" title="The diagram displays how your data flows using the dbt Semantic Layer and the variety of integration tools it supports."/>
 
+
+
 ## dbt Semantic Layer components
 
 The dbt Semantic Layer includes the following components:

website/docs/guides/sl-migration.md

@@ -91,13 +91,11 @@ At this point, both the new semantic layer and the old semantic layer will be ru
 
 Now that your Semantic Layer is set up, you will need to update any downstream integrations that used the legacy Semantic Layer. 
 
-### Migration guide for Hex
+### Migration guide for Hex 
 
-To learn more about integrating with Hex, check out their [documentation](https://learn.hex.tech/docs/connect-to-data/data-connections/dbt-integration#dbt-semantic-layer-integration) for more info. Additionally, refer to [dbt Semantic Layer cells](https://learn.hex.tech/docs/logic-cell-types/transform-cells/dbt-metrics-cells) to set up SQL cells in Hex.
+To learn more about integrating with Hex, check out their [documentation](https://learn.hex.tech/docs/connect-to-data/data-connections/dbt-integration#dbt-semantic-layer-integration) for more info. Additionally, refer to [dbt Semantic Layer cells](https://learn.hex.tech/docs/logic-cell-types/transform-cells/dbt-metrics-cells) to set up SQL cells in Hex. 
 
-1. Set up a new connection for the Semantic Layer for your account. Something to note is that your old connection will still work. The following Loom video guides you in setting up your Semantic Layer with Hex:
-
-<LoomVideo id="752e85aabfbf4fa585008a5598f3517a" />
+1. Set up a new connection for the dbt Semantic Layer for your account. Something to note is that your legacy connection will still work.
 
 2. Re-create the dashboards or reports that use the legacy dbt Semantic Layer.