chore: remove animation

[thelostone-mc]

Description

remove rain which causes screen to scroll on its own during waiting screen

[codecov]

Codecov Report

Merging #6658 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #6658      +/-   ##
==========================================
+ Coverage   27.13%   27.15%   +0.02%     
==========================================
  Files         291      291              
  Lines       26959    26959              
  Branches     3974     3974              
==========================================
+ Hits         7316     7322       +6     
+ Misses      19371    19369       -2     
+ Partials      272      268       -4     

Impacted Files	Coverage Δ
app/dashboard/views.py	11.05% <0.00%> (ø)
...rketing/management/commands/no_applicants_email.py	0.00% <0.00%> (ø)
...eting/management/commands/assemble_leaderboards.py	40.05% <0.00%> (ø)
app/dashboard/embed.py	31.60% <0.00%> (+3.44%)	⬆️

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[owocki]

this PR makes makes the product more bland & lame.

why not just add some CSS such that it doesnt scroll on this one page where its a problem?