Remove some old references to Travis (#1114)

We no longer use Travis anywhere, let's remove dead codepaths.

Author: giordano

src/AutoBuild.jl

@@ -639,20 +639,6 @@ function autobuild(dir::AbstractString,
                    kwargs...)
     @nospecialize
 
-    # If we're on CI and we're not verbose, schedule a task to output a "." every few seconds.
-    # Exclude GitHub Actions, it wouldn't time out
-    if (haskey(ENV, "TRAVIS") || (haskey(ENV, "CI") && !haskey(ENV, "GITHUB_ACTIONS"))) && !verbose
-        run_travis_busytask = true
-        travis_busytask = @async begin
-            # Don't let Travis think we're asleep...
-            @info("Brewing a pot of coffee for Travis...")
-            while run_travis_busytask
-                sleep(4)
-                print(".")
-            end
-        end
-    end
-
     # This is what we'll eventually return
     @info("Building for $(join(triplet.(platforms), ", "))")
     build_output_meta = Dict()
@@ -870,12 +856,6 @@ function autobuild(dir::AbstractString,
         end
     end
 
-    if (haskey(ENV, "TRAVIS") || (haskey(ENV, "CI") && !haskey(ENV, "GITHUB_ACTIONS"))) && !verbose
-        run_travis_busytask = false
-        wait(travis_busytask)
-        println()
-    end
-
     # Return our product hashes
     return build_output_meta
 end

src/wizard/state.jl

@@ -57,7 +57,6 @@ necessary.  It also holds all necessary metadata such as input/output streams.
     name::Union{Nothing, String} = nothing
     version::Union{Nothing, VersionNumber} = nothing
     github_api::GitHub.GitHubAPI = GitHub.DEFAULT_API
-    travis_endpoint::String = "https://api.travis-ci.org/"
 end
 
 function serializeable_fields(::WizardState)