Update name-your-php-application.mdx

[neilpdx]

Removed the note about multiple app naming being available only in PHP agent versions 2.4 or higher. Since versions below PHP agent 5.0 can no longer connect to New Relic, it's no longer necessary to call this out.

Reference:

https://forum.newrelic.com/s/hubtopic/aAX8W0000008aBMWAY/important-upcoming-changes-to-supported-agent-versions

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[akristen]

Hi @neilpdx . We've updated our CLA again, so will need you to re-sign our CLA.

[akristen]

As soon as CLA is signed, this is good to merge.

[akristen]

Hi @neilpdx . Can you sign the CLA so we can merge this in? thanks!