Remove mockito from codec as it causes build failure and is not used
Remove mockito from codec as it causes build failure and is not used

mway08/mina,universsky/mina,dongjiaqiang/mina,universsky/mina,apache/mina,apache/mina,weijiangzhu/mina,dongjiaqiang/mina,weijiangzhu/mina,yangzhongj/mina,Vicky01200059/mina,mway08/mina,Vicky01200059/mina,yangzhongj/mina