Apply suggestions from code review

Co-authored-by: Chuxin Huang <30974572+chuxinh@users.noreply.github.com>

models/staging/stg_blocks.sql

@@ -3,7 +3,7 @@
         materialized='incremental',
         unique_key='tx_id',
         incremental_strategy = 'delete+insert',
-        tags=['core', 'transactions'],
+        tags=['core'],
         cluster_by=['block_timestamp']
         )
 }}

models/staging/stg_txs.yml

@@ -13,7 +13,7 @@ models:
       - name: tx_block_index
         description: The index of the transaction within the block. Starts at 0.
       - name: offset_id
-        description: Synonmous with block_id for Near
+        description: Synonmous with `block_id` for Near
       - name: block_id
         description: The height of the chain this block corresponds with
       - name: block_timestamp