luci-base: fix placement of CBI strings

Commit c0de036b3 ("treewide: always include cbi.js") improperly removed the
cbi.js script include from header.htm, leaving behind the string dictionary.

Move the JSON dictionary to the parent <form> element and delete the
leftover </script> element.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

modules/luci-base/luasrc/view/cbi/header.htm

@@ -1,17 +1,17 @@
 <%+header%>
-<form method="post" name="cbi" action="<%=REQUEST_URI%>" enctype="multipart/form-data" onreset="return cbi_validate_reset(this)" onsubmit="return cbi_validate_form(this, '<%:Some fields are invalid, cannot save values!%>')">
+<form method="post" name="cbi" action="<%=REQUEST_URI%>" enctype="multipart/form-data" onreset="return cbi_validate_reset(this)" onsubmit="return cbi_validate_form(this, '<%:Some fields are invalid, cannot save values!%>')"<%=
+	attr("data-strings", luci.util.serialize_json({
+		label = {
+			choose = translate('-- Please choose --'),
+			custom = translate('-- custom --'),
+		},
+		path = {
+			resource = resource,
+			browser  = url("admin/filebrowser")
+		}
+	}))
+%>>
 	<div>
-			attr("data-strings", luci.util.serialize_json({
-				label = {
-					choose = translate('-- Please choose --'),
-					custom = translate('-- custom --'),
-				},
-				path = {
-					resource = resource,
-					browser  = url("admin/filebrowser")
-				}
-			}))
-		%>></script>
 		<input type="hidden" name="token" value="<%=token%>" />
 		<input type="hidden" name="cbi.submit" value="1" />
 		<input type="submit" value="<%:Save%>" class="hidden" />