remove hardcoded .env values

[thelostone-mc]

Description

https://github.com/gitcoinco/web/pull/4667/files#r297471571

Thanks @mbeacom ❤️

[codecov]

Codecov Report

Merging #4699 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4699   +/-   ##
=======================================
  Coverage   30.43%   30.43%           
=======================================
  Files         216      216           
  Lines       17192    17192           
  Branches     2324     2324           
=======================================
  Hits         5232     5232           
  Misses      11753    11753           
  Partials      207      207

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[codecov]

Codecov Report

Merging #4699 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4699      +/-   ##
==========================================
+ Coverage   30.42%   30.43%   +0.01%     
==========================================
  Files         216      216              
  Lines       17201    17192       -9     
  Branches     2325     2324       -1     
==========================================
- Hits         5233     5232       -1     
+ Misses      11761    11753       -8     
  Partials      207      207

Impacted Files	Coverage Δ
app/marketing/views.py	12% <0%> (-0.16%)	⬇️
app/marketing/utils.py	36.79% <0%> (+4.14%)	⬆️

---

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