How to use join without using sub query on delete

Question

I work on sql server 2012 I need use join or any way without using subquery 

to delete records 

on this query i delete from trade code that have childcodetype and childcodevalue 

without have parentcode type and parent code value

so row number 5 and 6 will be deleted  

drop table #MappingCodeValue
drop table #TradeCode
create table #MappingCodeValue
 (
 id int identity (1,1),
 ParentCodeType  nvarchar(50),
 ParentCodeValue  nvarchar(50),
 ChildCodeType  nvarchar(50),
 ChildCodeValue  nvarchar(50)
 )
 INSERT INTO #MappingCodeValue
 (ParentCodeType,ParentCodeValue,ChildCodeType,ChildCodeValue)
 VALUES
 ('ECCS-US','AB123-US','ECCS-URB','AB123-URB'),
 ('ECCS-US','AB555-US','ECCS-URB','AB555-URB'),
 ('ECCS-US','AB666-US','ECCS-URB','AB666-URB'),
 ('ECCS-US','AB778-US','ECCS-URB','AB778-URB')


 CREATE TABLE #TradeCode
 (
 TradeCodeId int identity(1,1),
 PartId  int,
 CodeType  nvarchar(50),
 CodeValue nvarchar(50)
 )
 insert into #TradeCode(PartId,CodeType,CodeValue)VALUES
 (1222,'ECCS-US','AB123-US'),
 (1255,'ECCS-US','AB555-US'),
 (1222,'ECCS-URB','AB123-URB'),
 (1255,'ECCS-URB','AB555-URB'),
 (1444,'ECCS-URB','AB666-URB'),
 (1931,'ECCS-URB','AB778-URB')

 delete t
from #tradecode t
where
    not exists
        (select 1 from #mappingcodevalue pn
         where
             (t.CodeValue = pn.ParentCodeValue and t.CodeType = pn.ParentCodeType) or
             ( (t.CodeValue = pn.ChildCodeValue and t.CodeType = pn.ChildCodeType) and
               (exists(select 1 from #TradeCode p
                       where p.CodeValue = pn.ParentCodeValue and p.CodeType = pn.ParentCodeType)) ))

TradeCodeId PartId  CodeType    CodeValue
1                   1222            ECCS-US AB123-US
2                   1255            ECCS-US AB555-US
3                   1222            ECCS-URB    AB123-URB
4                   1255            ECCS-URB    AB555-URB
5                   1444            ECCS-URB    AB666-URB
6                   1931            ECCS-URB    AB778-URB