Revert "Use root certificates when using the add-on store and NVDA remote (#18528)" (#19106)
This reverts commit 2fa36585f086782a9de8455bb04ee049a5b3baa3.
### Reverts PR
Reverts #18528
### Issues fixed
Fixes #19076
### Issues reopened
Reopens #15905
### Reason for revert
- Add-on API solution doesn't work - extracting SSL from context is
dangerous
- Regression with NVDA remote
### Can this PR be reimplemented? If so, what is required for the next
attempt
- Instead use trust store directly rather than injecting into all SSL
contexts