chore: remove regex argument of forge test --debug and --decode-internal

[DaniPopes]

Component

Forge

Describe the feature you would like

These are deprecated in #8930 and should be removed for 1.0

cc @zerosnacks do we track deprecations to be removed anywhere?

Additional context

No response

[zerosnacks]

do we track deprecations to be removed anywhere?

added it to #8574 in the post 1.0 breaking changes section

[DaniPopes]

This should be done for 1.0, not after, since it's the removal of a deprecation.