- unvendor vue and vue-calendar-heatmap
- remove unused moment.js leftover from previous heatmap version
- ensure webpack loads the full version of vue
- fix vue devmode warning related to 'searchLimit' type
I wanted to name the chunk heatmap.js but adblockers don't like that
filename [1].
[1] 3899d5dff3/easyprivacy/easyprivacy_general.txt (L2095)
