bitbake: toaster: importlayer Remove description input field

This wasn't required or working due to a typo and adds ambiguity between
the summary and description. The correct method for changing the description
or summary is via the layerdetails page.

[YOCTO #7190]

(Bitbake rev: 605298ff3ce919127003dadef95798472327f943)

Signed-off-by: Michael Wood <michael.g.wood@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/toaster/toastergui/static/js/importlayer.js

@@ -136,7 +136,6 @@ function importLayerPageInit (ctx) {
         name: layerNameInput.val(),
         vcs_url: vcsURLInput.val(),
         git_ref: gitRefInput.val(),
-        summary:  $("#layer-summary").val(),
         dir_path: $("#layer-subdir").val(),
         project_id: ctx.projectId,
         layer_deps: layerDepsCsv,