Removed bq usage cost view (#4991)

sql/moz-fx-data-shared-prod/monitoring/bigquery_usage_costs/view.sql

@@ -1,44 +0,0 @@
-CREATE OR REPLACE VIEW
-  `moz-fx-data-shared-prod.monitoring.bigquery_usage_costs`
-AS
-SELECT
-  creation_date,
-  source_project,
-  user_email,
-  username,
-  job_id,
-  destination_table_id,
-  SUM(total_terabytes_processed) * 4.15 AS cost_usd
-FROM
-  (
-    SELECT
-      creation_date,
-      source_project,
-      user_email,
-      username,
-      job_id,
-      destination_table_id,
-      total_terabytes_processed
-    FROM
-      `moz-fx-data-shared-prod.monitoring.bigquery_usage`
-    WHERE
-      state = 'DONE'
-      AND job_type = 'QUERY'
-      AND reservation_id IS NULL
-      AND cache_hit IS FALSE
-    GROUP BY
-      creation_date,
-      source_project,
-      user_email,
-      username,
-      job_id,
-      destination_table_id,
-      total_terabytes_processed
-  )
-GROUP BY
-  creation_date,
-  source_project,
-  user_email,
-  username,
-  job_id,
-  destination_table_id