iov: remove bogus variable initialization
iov: remove bogus variable initialization

There's no point setting up an initial variable value when it is replaced right away, it wastes cycles.

dreamsxin/monkey,sujayraaj/monkey,sujayraaj/monkey,sbagmeijer/monkey,dougsko/monkey,sbagmeijer/monkey,sujayraaj/monkey_rtems,dougsko/monkey,WilliamRen/monkey-1,sujayraaj/monkeyTest,monkey/monkey,sujayraaj/monkey,sujayraaj/monkey,dougsko/monkey,sujayraaj/monkey,WilliamRen/monkey-1,dreamsxin/monkey,sbagmeijer/monkey,monkey/monkey,WilliamRen/monkey-1,sujayraaj/monkey_rtems,dougsko/monkey,monkey/monkey,sujayraaj/monkey_rtems,sujayraaj/monkeyTest,sujayraaj/monkeyTest,sbagmeijer/monkey,sbagmeijer/monkey,dougsko/monkey,monkey/monkey,monkey/monkey,WilliamRen/monkey-1,WilliamRen/monkey-1,dreamsxin/monkey,monkey/monkey,sujayraaj/monkeyTest,dreamsxin/monkey,sujayraaj/monkey_rtems,dreamsxin/monkey,sujayraaj/monkey_rtems