Move humanizeErrors to errors service file

src/modules/errors.js

@@ -1,11 +0,0 @@
-import { capitalize } from 'lodash'
-
-export function humanizeErrors (errors) {
-  return Object.entries(errors).reduce((errs, [k, val]) => {
-    const message = val.reduce((acc, message) => {
-      const key = capitalize(k.replace(/_/g, ' '))
-      return acc + [key, message].join(' ') + '. '
-    }, '')
-    return [...errs, message]
-  }, [])
-}