Revert a commit. The field was already added.

htdocs/install/mysql/migration/3.9.0-4.0.0.sql

@@ -385,5 +385,3 @@ ALTER TABLE llx_product_fournisseur_price ADD supplier_reputation varchar(10) NU
 
 -- Delete old deprecated field
 ALTER TABLE llx_product_stock DROP COLUMN pmp;
-
-ALTER TABLE llx_societe ADD COLUMN fk_shipping_method_id integer;

htdocs/install/mysql/tables/llx_societe.sql

@@ -103,6 +103,5 @@ create table llx_societe
   webservices_key          varchar(128),                            -- supplier webservice key
   
   fk_multicurrency			integer,
-  multicurrency_code		varchar(255),
-  fk_shipping_method_id integer
+  multicurrency_code		varchar(255)
 )ENGINE=innodb;