We don’t use (or want) this fill to be red
Extract config options from code
Remove legend bits (we don’t use them)
Remove ‘hello tom’ dummy text
Using better names and splitting up code 

for readability / comprehension
remove unused code
Make global config settings obvious
refactor: simplification
refactor: extracting code from longer function
refactor: simplification
refactor: extract code from long function

- put it in new function
refactor: improve understandability of code

- we hide all things of a given class, 
  then show (toggle) things of that class + a 
  district specific id
refactor: comment unused code
refactor: better var name
refactor: don’t hardcode zoom level
refactor: proper camel case
refactor: moving functions for better readability

- putting them closer to where they’re used

- This and prior commits are related to refactor story:
Pivotal: [Fixes #74018552]