ssd_ehcp_named_plan fields dont appear to follow SSD naming conventions

[robjharrison]

This field does ehcn**ehcp**asmt_id , but the rest appear to not be aligned... Can this be reviewed.

impacts: ALL SSD DEPLOYMENT VERSIONS
Does not impact API project work as this a placeholder/not in use table.

-- META-ELEMENT: {"type": "create_table"}
CREATE TABLE IF NOT EXISTS ssd_ehcp_named_plan (
ehcn_named_plan_id VARCHAR(48) PRIMARY KEY, -- metadata={"item_ref":"EHCN001A"}
ehcn**ehcp**asmt_id VARCHAR(48), -- metadata={"item_ref":"EHCN002A"}
ehcn_named_plan_start_date TIMESTAMP, -- metadata={"item_ref":"EHCN003A"}
ehcn_named_plan_ceased_date TIMESTAMP, -- metadata={"item_ref":"EHCN004A"}
ehcn_named_plan_ceased_reason VARCHAR(100) -- metadata={"item_ref":"EHCN005A"}
);