Remove attempt to migrate from existing SMTP since it is unsafe in multi user environments and confusing + breaks relationships when entries are de-duped.

db/migrations/20160227180335_0.1.2_store-smtp-settings.sql

@@ -3,24 +3,8 @@
 -- SQL in section 'Up' is executed when this migration is applied
 -- Move the relationship between campaigns and smtp to campaigns
 ALTER TABLE campaigns ADD COLUMN "smtp_id" bigint;
-UPDATE campaigns 
-	SET smtp_id = (
-		SELECT smtp.smtp_id 
-		FROM smtp,campaigns 
-		WHERE campaigns.id=smtp.campaign_id
-	)
-;
--- Add the appropriate user_id to each smtp record
-ALTER TABLE smtp ADD COLUMN "user_id" bigint;
-UPDATE smtp 
-        SET user_id = (
-		SELECT campaigns.user_id 
-		FROM smtp,campaigns 
-		WHERE smtp.smtp_id=campaigns.smtp_id
-	)
-;
 -- Create a new table to store smtp records
-ALTER TABLE smtp RENAME TO smtp_old;
+DROP TABLE smtp;
 CREATE TABLE smtp(
 	id integer primary key autoincrement,
 	user_id bigint,
@@ -33,20 +17,6 @@ CREATE TABLE smtp(
 	modified_date datetime default CURRENT_TIMESTAMP,
 	ignore_cert_errors BOOLEAN
 );
--- Import existing smtp records into new format and drop the old table
-INSERT INTO smtp (id,user_id,interface_type,name,host,username,from_address,ignore_cert_errors)
-	SELECT smtp_id,user_id,'SMTP',
-	'Imported campaign via ' || COALESCE(host,'') || ' from ' || COALESCE(from_address,''),
-	host,username,from_address,ignore_cert_errors
-	FROM smtp_old
-	-- Prevent insertion of duplicate records
-	WHERE smtp_id IN (
-		SELECT smtp_id
-		FROM smtp_old
-		GROUP BY user_id,host,from_address
-	)
-;
-DROP TABLE smtp_old;
 -- +goose Down
 -- SQL section 'Down' is executed when this migration is rolled back