fix: update DataTypes.JSON to be JSON, not JSONTYPE

Author: DevOnSabbatical

lib/migrate.js

@@ -72,9 +72,6 @@ const reverseSequelizeColType = function(col, prefix = 'Sequelize.')
             return prefix + ret.join('.');        
         }
 
-        case DataTypes.JSON.key:
-            return prefix + 'JSONTYPE'
-
         case DataTypes.ENUM.key: 
             return prefix + "ENUM('" +options.values.join("', '")+"')";