How to delete and remove profiles from webmaster account? I have selected profile and deleted. Is it browser problem?

No, this is not a browser problem
You won't be able to delete your account.
Refer to this blog for information on information on profiles
http://www.google.com/support/accounts/bin/answer.py?answer=97703
http://www.google.com/support/plus/bin/answer.py?hl=en-GB&p=public_profile&answer=1192471