Delete the manually created iOS Development certificate and generate from Xcode

Can we delete the existing manually generated iOS development Certificate and re-generate using the XCode? If then, can you please share me the steps need to be taken for that? So, it does not conflict when using same mailid to generate iOS dev cert and provisioning profile from XCode.

How do I remove code-signing certificate?

To Delete a Code Signing CertificateClick Code Signing (blue and silver shield), right-click on the Code Signing Certificate that you want to delete, and then click Delete Certificate. In the Confirm Delete window, read the warning and make sure that you really want to delete the certificate.

Deleting existing certificate

Open Keychain Access
On the left side from Keychains select login and from Category select My Certificate
Look for your development certificates.
Right click on it and delete it.

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