feat(component_jobs): this removes the use of the ghprb plugin
feat(component_jobs): this removes the use of the ghprb plugin

We only use this plugin for whitelisting PRs but I propose
although this utility prevents a theoretical issue, the plugin is
not something we should continue using if it is preventing our ideal
CI pipeline state (involving setting commit status messages outside
of what said plugin now overrides)

deis/jenkins-jobs