Canvas: Update edges on port removal

Change-Id: I5f550f0511257207db4a2f0469957cc4449514bd
diff --git a/apps/canvas/back/index.js b/apps/canvas/back/index.js
index 425285c..6117e46 100644
--- a/apps/canvas/back/index.js
+++ b/apps/canvas/back/index.js
@@ -90,7 +90,7 @@
             select: {
                 state: true,
                 draft: true,
-            }
+            },
         });
         if (r == null) {
             resp.status(404);
@@ -133,7 +133,7 @@
             },
             select: {
                 instanceId: true,
-            }
+            },
         });
         if (p === null) {
             resp.status(404);
@@ -154,7 +154,7 @@
                 method: "post",
                 data: {
                     config: req.body.config,
-                }
+                },
             });
             if (r.status === 200) {
                 yield db.project.update({
@@ -176,7 +176,7 @@
                 method: "put",
                 data: {
                     config: req.body.config,
-                }
+                },
             });
             if (r.status === 200) {
                 yield db.project.update({