Merged PR 3625: Excludes new dash users without id deal

# Description

This PR has 2 commits:
- The first one handles the removal from the computation any user that has not an id deal properly set. I just created a boolean field in int_core__user_host that identifies if the host has no id_deal. Then apply the new condition in the 2 main usages of New Dash info.
- The second one cleans New Dash KPIs. Since we do not have anymore users without deals, it means that the identification of the host/account is going to be exactly the same if done by id_user_host or id_deal. I hated having id_user_host in KPIs so I've removed it :)

Lastly, this should speed up massively the execution. Not because there's improvements on the code but rather the reduction of data.

# Checklist

- [X] The edited models and dependants run properly with production data.
- [X] The edited models are sufficiently documented.
- [X] The edited models contain PK tests, and I've ran and passed them.
- [X] I have checked for DRY opportunities with other models and docs.
- [X] I've picked the right materialization for the affected models.

# Other

- [ ] Check if a full-refresh is required after this PR is merged.

Related work items: #20809

models/intermediate/kpis/schema.yml

@@ -5324,12 +5324,6 @@ models:
         tests:
           - not_null
 
-      - name: id_user_host
-        data_type: string
-        description: Unique identifier of the user that acts as Host.
-        tests:
-          - not_null
-
       - name: id_deal
         data_type: string
         description: Unique identifier of an account.
@@ -5397,7 +5391,7 @@ models:
       The unique key corresponds to: 
       - end_date, 
       - service_name,
-      - id_user_host,
+      - id_deal,
       - active_accommodations_per_deal_segmentation.
 
     tests:
@@ -5405,7 +5399,7 @@ models:
           combination_of_columns:
             - end_date
             - service_name
-            - id_user_host
+            - id_deal
             - active_accommodations_per_deal_segmentation
 
     columns:
@@ -5429,12 +5423,6 @@ models:
         tests:
           - not_null
 
-      - name: id_user_host
-        data_type: string
-        description: Unique identifier of the user that acts as Host.
-        tests:
-          - not_null
-
       - name: id_deal
         data_type: string
         description: Unique identifier of an account.
@@ -5510,7 +5498,7 @@ models:
       The unique key corresponds to: 
       - end_date, 
       - service_name,
-      - id_user_host,
+      - id_deal,
       - active_accommodations_per_deal_segmentation.
 
     tests:
@@ -5518,7 +5506,7 @@ models:
           combination_of_columns:
             - end_date
             - service_name
-            - id_user_host
+            - id_deal
             - active_accommodations_per_deal_segmentation
 
     columns:
@@ -5542,12 +5530,6 @@ models:
         tests:
           - not_null
 
-      - name: id_user_host
-        data_type: string
-        description: Unique identifier of the user that acts as Host.
-        tests:
-          - not_null
-
       - name: id_deal
         data_type: string
         description: Unique identifier of an account.
@@ -5655,7 +5637,6 @@ models:
                 - by_new_dash_version
                 - by_has_upgraded_service
                 - by_service
-                - by_host
 
       - name: dimension_value
         data_type: string
@@ -5778,7 +5759,6 @@ models:
                 - by_new_dash_version
                 - by_has_upgraded_service
                 - by_service
-                - by_host
 
       - name: dimension_value
         data_type: string
@@ -5844,7 +5824,6 @@ models:
                 - by_new_dash_version
                 - by_has_upgraded_service
                 - by_service
-                - by_host
 
       - name: dimension_value
         data_type: string