Remove handle_comment collaborator check

[maleadt]

It should be up to the caller to enforce this, and it doesn't work generally anyway (requiring push permissions to the repo):

┌ Error: handle_connection handler error
│   exception =
│    Error found in GitHub reponse:
│    	Status Code: 403
│    	Message: Must have push access to view repository collaborators.
│    	Docs URL: https://docs.github.com/rest/collaborators/collaborators#check-if-a-user-is-a-repository-collaborator
│    	Errors:
│    Stacktrace:
│      [1] error(::String, ::String, ::String, ::String, ::String)
│        @ Base ./error.jl:44
│      [2] handle_response_error(r::HTTP.Messages.Response)
│        @ GitHub ~/Julia/depot/packages/GitHub/Ij6eH/src/utils/requests.jl:177
│      [3] iscollaborator(api::GitHub.GitHubWebAPI, repo::GitHub.Repo, user::String; options::Base.Pairs{Symbol, GitHub.OAuth2, Tuple{Symbol}, NamedTuple{(:auth,), Tuple{GitHub.OAuth2}}})
│        @ GitHub ~/Julia/depot/packages/GitHub/Ij6eH/src/repositories/repositories.jl:101
│      [4] #iscollaborator#93
│        @ ./none:0 [inlined]
│      [5] handle_comment(handle::Nanosoldier.var"#66#67"{Nanosoldier.Config, Vector{Nanosoldier.AbstractJob}}, event::GitHub.WebhookEvent, auth::GitHub.OAuth2, trigger::Regex, check_collab::Bool, use_access_token::Bool)
│        @ GitHub ~/Julia/depot/packages/GitHub/Ij6eH/src/activity/events.jl:186
│      [6] #260
│        @ ~/Julia/depot/packages/GitHub/Ij6eH/src/activity/events.jl:156 [inlined]
│      [7] handle_event_request(request::HTTP.Messages.Request, handle::GitHub.var"#260#262"{GitHub.OAuth2, Bool, Bool, Nanosoldier.var"#66#67"{Nanosoldier.Config, Vector{Nanosoldier.AbstractJob}}, Regex}; auth::GitHub.OAuth2, secret::String, events::Vector{String}, repos::Vector{String}, forwards::Nothing)
│        @ GitHub ~/Julia/depot/packages/GitHub/Ij6eH/src/activity/events.jl:112
│      [8] (::GitHub.var"#252#254"{GitHub.OAuth2, String, Vector{String}, GitHub.var"#260#262"{GitHub.OAuth2, Bool, Bool, Nanosoldier.var"#66#67"{Nanosoldier.Config, Vector{Nanosoldier.AbstractJob}}, Regex}})(request::HTTP.Messages.Request)
│        @ GitHub ~/Julia/depot/packages/GitHub/Ij6eH/src/activity/events.jl:79
│      [9] (::HTTP.Handlers.var"#1#2"{GitHub.var"#252#254"{GitHub.OAuth2, String, Vector{String}, GitHub.var"#260#262"{GitHub.OAuth2, Bool, Bool, Nanosoldier.var"#66#67"{Nanosoldier.Config, Vector{Nanosoldier.AbstractJob}}, Regex}}})(stream::HTTP.Streams.Stream{HTTP.Messages.Request, HTTP.ConnectionPool.Connection})
│        @ HTTP.Handlers ~/Julia/depot/packages/HTTP/RQd4C/src/Handlers.jl:58
│     [10] #invokelatest#2
│        @ ./essentials.jl:729 [inlined]
│     [11] invokelatest
│        @ ./essentials.jl:726 [inlined]
│     [12] handle_connection(f::Function, c::HTTP.ConnectionPool.Connection, listener::HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, readtimeout::Int64, access_log::Nothing)
│        @ HTTP.Servers ~/Julia/depot/packages/HTTP/RQd4C/src/Servers.jl:447
│     [13] (::HTTP.Servers.var"#16#17"{HTTP.Handlers.var"#1#2"{GitHub.var"#252#254"{GitHub.OAuth2, String, Vector{String}, GitHub.var"#260#262"{GitHub.OAuth2, Bool, Bool, Nanosoldier.var"#66#67"{Nanosoldier.Config, Vector{Nanosoldier.AbstractJob}}, Regex}}}, HTTP.Servers.Listener{Nothing, Sockets.TCPServer}, Set{HTTP.ConnectionPool.Connection}, Int64, Nothing, Base.Semaphore, HTTP.ConnectionPool.Connection})()
│        @ HTTP.Servers ./task.jl:484
└ @ HTTP.Servers ~/Julia/depot/packages/HTTP/RQd4C/src/Servers.jl:461