Remove deprecated mkdocs configs
Remove deprecated mkdocs configs

ramindu90/siddhi,dilini-muthumala/siddhi,mohanvive/siddhi,dilini-muthumala/siddhi,tishan89/siddhi,grainier/siddhi,wso2/siddhi,gokul/siddhi,grainier/siddhi,suhothayan/siddhi,mohanvive/siddhi,suhothayan/siddhi,ramindu90/siddhi,gokul/siddhi,tishan89/siddhi,wso2/siddhi