Remove illustration in export/import CSV modal

app/assets/stylesheets/framework/modal.scss

@@ -132,18 +132,6 @@ body.modal-open {
 .issuable-export-modal {
   .modal-header {
     justify-content: flex-start;
-
-    .import-export-svg-container {
-      flex-grow: 1;
-      height: 56px;
-      padding: $gl-btn-padding $gl-btn-padding 0;
-      text-align: right;
-
-      .illustration {
-        height: inherit;
-        width: initial;
-      }
-    }
   }
 
   .modal-body {

app/views/projects/issues/import_csv/_modal.html.haml

@@ -2,11 +2,9 @@
   .modal-dialog
     .modal-content
       = form_tag import_csv_namespace_project_issues_path, multipart: true do
-        .modal-header
-          %h3
+        .modal-header.gl-display-flex
+          %h4.gl-m-0
             = _('Import issues')
-          .svg-content.import-export-svg-container
-            = image_tag 'illustrations/export-import.svg', alt: _('Import/Export illustration'), class: 'illustration'
           %a.close{ href: '#', 'data-dismiss' => 'modal' } ×
         .modal-body
           .modal-text

app/views/shared/issuable/csv_export/_modal.html.haml

@@ -3,11 +3,9 @@
   .modal.issuable-export-modal{ class: class_name }
     .modal-dialog
       .modal-content{ data: { qa_selector: "export_issuable_modal" } }
-        .modal-header
-          %h3
+        .modal-header.gl-display-flex
+          %h4.gl-m-0
             = _("Export %{issuable_type}" % { issuable_type: issuable_type.humanize(capitalize: false) })
-          .svg-content.import-export-svg-container
-            = image_tag 'illustrations/export-import.svg', role: "presentation", class: 'illustration'
           %button.close{ type: "button", "data-dismiss": "modal", "aria-label" => _('Close') }
             = sprite_icon('close', css_class: 'gl-icon')
         .modal-body