Delete the secrets store

Created by: asdine

Fixes https://github.com/sourcegraph/sourcegraph/issues/15862

This store is no longer used though, should we remove it? cc @unknwon @chayim

Created by: codecov[bot]

Codecov Report

Merging #17458 (c610ab7) into main (0197ed6) will decrease coverage by 0.03%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #17458      +/-   ##
==========================================
- Coverage   51.92%   51.89%   -0.04%     
==========================================
  Files        1716     1715       -1     
  Lines       85218    85076     -142     
  Branches     7749     7749              
==========================================
- Hits        44250    44148     -102     
+ Misses      37066    37046      -20     
+ Partials     3902     3882      -20     

Flag	Coverage Δ		*Carryforward flag
go	50.88% <ø> (-0.05%)
integration	30.64% <ø> (ø)		Carriedforward from 94cf5e2
storybook	30.34% <ø> (ø)		Carriedforward from 94cf5e2
typescript	54.32% <ø> (ø)		Carriedforward from 94cf5e2
unit	34.72% <ø> (ø)		Carriedforward from 94cf5e2

*This pull request uses carry forward flags. Click here to find out more.

Impacted Files	Coverage Δ
.../internal/codeintel/resolvers/graphql/locations.go	85.56% <0.00%> (+4.12%)

Created by: tsenart

Yeah, if this isn't used let's nuke it.