Remove autofocus on edit printer dialog

autofocus does not make sense for the edit-printer-dialog since the
user is not filling out information but rather editing information
that already exists


Bug: 1015673
Change-Id: I2d4725ad42e4785f38c1ef1a8e559e6871016f61
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1906255Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Commit-Queue: Bailey Berro <baileyberro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714985}

chrome/browser/resources/settings/printing_page/cups_edit_printer_dialog.html

@@ -24,7 +24,7 @@
       </div>
       <div slot="dialog-body" scrollable>
         <div class="settings-box first two-line">
-          <cr-input class="printer-name-input" autofocus
+          <cr-input class="printer-name-input"
               id="printerName"
               value="{{pendingPrinter_.printerName}}"
               on-input="onPrinterInfoChange_"