remove typeform for new style grants

[danlipert]

another branch removed the typeform redirect for the old grant creation endpoint, which is just used for testing - this one removes it for the new endpoint

[codecov]

Codecov Report

Merging #5362 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5362      +/-   ##
==========================================
+ Coverage   29.81%   29.81%   +<.01%     
==========================================
  Files         241      241              
  Lines       20334    20332       -2     
  Branches     2901     2900       -1     
==========================================
  Hits         6062     6062              
+ Misses      14021    14019       -2     
  Partials      251      251

Impacted Files	Coverage Δ
app/grants/views.py	16.27% <ø> (+0.08%)	⬆️

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