Disable external transcoder fallback for recordings

[mjh1]

This was creating unnecessary cost

[codecov]

Codecov Report

Merging #227 (a4c8843) into main (34247f4) will decrease coverage by 0.07997%.
The diff coverage is 0.00000%.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main        #227         +/-   ##
===================================================
- Coverage   17.54832%   17.46835%   -0.07997%     
===================================================
  Files             16          16                 
  Lines           1966        1975          +9     
===================================================
  Hits             345         345                 
- Misses          1596        1605          +9     
  Partials          25          25                 

Files	Coverage Δ
task/upload.go	16.28959% <0.00000%> (-0.22417%)	⬇️

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Files	Coverage Δ
task/upload.go	16.28959% <0.00000%> (-0.22417%)	⬇️