chore(heroku): Drop "npm update"

bebraw · bebraw · commit c83a147ccd02 · 2019-02-04T14:26:09.000+01:00
Now it should boot much faster.
diff --git a/Procfile b/Procfile
@@ -1 +1 @@
-web: npm update && npm run heroku:start
+web: npm run heroku:start

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-web: npm update && npm run heroku:start`
	`1`	`+web: npm run heroku:start`