Revert "Add Flora helper methods"

[davidorme]

Reverts #296

Adding all of this in one go and then restructuring it in bits makes for a horrible mess. The problem is that the cleaner structures we're aiming for don't work well as parts if the current structure. So building it up a bit at a time from scratch avoids horrible hacky patches.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.54%. Comparing base (1f315ba) to head (f6d0c57).
Report is 145 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #299      +/-   ##
===========================================
+ Coverage    95.29%   95.54%   +0.25%     
===========================================
  Files           28       34       +6     
  Lines         1720     2243     +523     
===========================================
+ Hits          1639     2143     +504     
- Misses          81      100      +19     

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