chore: remove old filters, hardcoded types, old post status from view

config/filters/dates.js

@@ -1,20 +1,4 @@
-import { DateTime } from 'luxon'
-
 export default {
-  isoDateOnly: (date, separator) => {
-    let d = new Date(date)
-    let month = '' + (d.getMonth() + 1)
-    let day = '' + d.getDate()
-    let year = d.getFullYear()
-
-    if (month.length < 2) month = '0' + month
-    if (day.length < 2) day = '0' + day
-
-    return [year, month, day].join(separator)
-  },
-  oldPost: (date) => {
-    return DateTime.now().diff(DateTime.fromJSDate(new Date(date)), 'years').years > 3
-  },
   stringToRFC822Date: (dateString) => {
     const date = new Date(Date.parse(dateString))
     const dayStrings = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']