Remove 1akshitha from codeowners
Remove 1akshitha from codeowners

sanjeewa-malalgoda/carbon-apimgt,wso2/carbon-apimgt,ruks/carbon-apimgt,ruks/carbon-apimgt,chamilaadhi/carbon-apimgt,chamilaadhi/carbon-apimgt,wso2/carbon-apimgt,tharindu1st/carbon-apimgt,prasa7/carbon-apimgt,ruks/carbon-apimgt,sanjeewa-malalgoda/carbon-apimgt,wso2/carbon-apimgt,chamilaadhi/carbon-apimgt,tharindu1st/carbon-apimgt,ruks/carbon-apimgt,prasa7/carbon-apimgt,tharindu1st/carbon-apimgt,sanjeewa-malalgoda/carbon-apimgt,tharindu1st/carbon-apimgt,wso2/carbon-apimgt,prasa7/carbon-apimgt,chamilaadhi/carbon-apimgt,sanjeewa-malalgoda/carbon-apimgt,prasa7/carbon-apimgt