Subactions' Variables section includes General Variables for triggers

[WhazzItToYa]

Describe the bug
On subaction pages that include a variables: section, in addition to the variables explicitly listed there, the "General Variables" for triggers is also included.

To Reproduce

1. Look at https://docs.streamer.bot/api/sub-actions/core/file-io/file-exists
2. under the subaction's "fileExists" variable, see:

Expected behavior
The General Variables section should not be there.