Remove broken sync_consul_deps

This code won't work anymore, and should the team update Consul, won't be
needed anymore either now that both p2 and consul use `go mod` for dependency
management.

Rakefile

@@ -80,66 +80,3 @@ end
 
 desc 'By default, gather dependencies, build and test'
 task :default => [:deps, :test, :install]
-
-task :sync_consul_deps do
-  p2_repo_dir = File.join(ENV["GOPATH"], "src", "github.com", "square", "p2")
-
-  consul_vendor_contents = JSON.parse(File.read(File.join(ENV["GOPATH"], "src", "github.com", "hashicorp", "consul", "vendor", "vendor.json")))
-  p2_godep_contents = JSON.parse(File.read(File.join(p2_repo_dir, "Godeps", "Godeps.json")))
-
-  # build a map of package names to revisions from consul's vendor.json
-  consul_deps = {}
-  consul_vendor_contents["package"].each do |package|
-    consul_deps[package["path"]] = package["revision"]
-  end
-
-  success_count = 0
-  failed_count = 0
-  skipped_count = 0
-
-  # now iterate over our Godeps.json and find any versions that mismatch and print them
-  p2_godep_contents["Deps"].each do |package|
-    package_name = package["ImportPath"]
-    consul_rev = consul_deps[package_name]
-    next unless consul_rev
-
-    our_rev = package["Rev"]
-    if consul_rev != our_rev
-      # grab just the first three items e.g. github.com/hashicorp/consul not github.com/hashicorp/consul/api/inner/package/thing
-      first_three = package_name.split("/")[0..2]
-      first_three_joined = first_three.join("/")
-
-      # in case the consul dependency is new and not in $GOPATH, do a "go get" first
-      e "go get #{first_three_joined}/..."
-      begin
-        Dir.chdir(File.join(ENV["GOPATH"], "src", *first_three)) do
-          e "git fetch"
-          older_commit = `git merge-base #{our_rev} #{consul_rev}`.chomp
-          raise "could not determine which commit is newer for #{first_three_joined}" unless $?.exitstatus == 0
-          if older_commit == our_rev
-            e "git checkout #{consul_rev}"
-          else
-            puts "No action taken for #{package_name}: consul's version #{consul_rev} is older than P2's #{our_rev}"
-            skipped_count += 1
-            next
-          end
-        end
-
-        Dir.chdir(p2_repo_dir) do
-          e "godep update #{first_three.join("/")}/..."
-        end
-
-        puts "Successfully repaired mismatch in #{package_name}: consul has #{consul_rev} p2 had #{our_rev}"
-        success_count += 1
-      rescue => e
-        puts "Failed to repair mismatch in #{package_name}: consul has #{consul_rev} p2 had #{our_rev}: #{e.message}"
-        failed_count += 1
-      end
-
-    end
-  end
-
-  puts "Successfully updated #{success_count} packages"
-  puts "Failed to updated #{failed_count} packages"
-  puts "Skipped updating #{skipped_count} packages (because consul had an older version vendored)"
-end