Remove useless broken "Add" button on credentials-select-control.

[jamie-pate]

I don't know if there is a way to get a 'data-url' into the template to actually fix this button.

See this change that broke it: 9c5bb72#diff-45693b8474f3341b5d603b463cd4c10f4ec301a1c8c1c89b67034ba81056dfc9R44

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[jtnord]

can you describe in detail what doesn;t work or why it is broken? Perhaps a Jira issue?

[jamie-pate]

It looks like it was just left out in a refactor but never removed... It just does nothing

[jtnord]

credentials-plugin/src/main/resources/lib/credentials/select.jelly

Lines 151 to 154 in 3f165e9

	<button class="credentials-add jenkins-!-margin-top-2">
	<l:icon src="symbol-add"/>
	${%Add}
	</button>

?