Revert "Expose erc20 transfers as a table, not view (#1258)" (#1274)

This reverts commit ac23da2.

Author: dot2dotseurat

spellbook/macros/alter_table_properties.sql

@@ -210,7 +210,7 @@ ALTER VIEW tokens_ethereum.erc20 SET TBLPROPERTIES ('dune.public'='true',
 {% endset %}
 
 {% set transfers_ethereum_erc20 %}
-ALTER TABLE transfers_ethereum.erc20 SET TBLPROPERTIES('dune.public'='true',
+ALTER VIEW transfers_ethereum.erc20 SET TBLPROPERTIES('dune.public'='true',
                                                     'dune.data_explorer.blockchains'='["ethereum"]',
                                                     'dune.data_explorer.category'='abstraction',
                                                     'dune.data_explorer.abstraction.type'='sector',