Fix lint warnings

modules/ui/improveOSM_comments.js

@@ -70,7 +70,9 @@ export function uiImproveOsmComments() {
           .append('p')
             .text(d => d.text);
     })
-    .catch(err => {}); // TODO: Handle failed json request gracefully in some way
+    .catch(err => {
+      console.log(err); // eslint-disable-line no-console
+    });
   }
 
   function localeDateString(s) {

modules/ui/osmose_details.js

@@ -195,7 +195,9 @@ export function uiOsmoseDetails(context) {
         context.features().forceVisible(d.elems);
         context.map().pan([0,0]);  // trigger a redraw
       })
-      .catch(err => {}); // TODO: Handle failed json request gracefully in some way
+      .catch(err => {
+        console.log(err); // eslint-disable-line no-console
+      });
   }