How to delete a certain path from $PATH on mac

How to delete a certain path from $PATH on mac

References

Reference NO 1

http://stackoverflow.com/questions/15187153/how-to-delete-a-certain-path-from-path-on-mac

Reference NO 2

http://stackoverflow.com/questions/10503153/remove-path-from-environment-variables

Reference NO 3

http://superuser.com/questions/121870/how-do-i-reset-the-path-variable-on-mac-os-x

Reference NO 4

http://jodieorourke.com/view.php?id=181&blog=news

Reference NO 5

https://discussions.apple.com/thread/3648572?start=0&tstart=0

Reference NO 6

http://www.cyberciti.biz/faq/appleosx-bash-unix-change-set-path-environment-variable/

Reference NO 7

http://www.architectryan.com/2012/10/02/add-to-the-path-on-mac-os-x-mountain-lion/

Reference NO 8

http://apple.stackexchange.com/questions/91557/cleaning-up-my-bash-profile-can-i-delete-some-of-this