Remove the release-branch judge from the controller, the wire and the build seat (issue 977, part A, ADR 0401)

internal/link/build.go

@@ -173,12 +173,6 @@ type CheckRequest struct {
 	// the controller, judged by itself; JudgeValidator for a change to the node-engine, judged by the
 	// running controller built with the change's validator in place of the one it vendors.
 	Judge string `json:"judge,omitempty"`
-	// Release is the release branch the pull request merges into (novox/hq ADR 0358): its base, when that is not its
-	// repository's trunk and mesh-controller has a branch of that name. The gate is then judged by the controller
-	// built from mesh-controller's release branch — a change to the controller still by itself, a change to the
-	// node-engine with its own validator — and each repository beside it is read at its branch of that name where it
-	// has one (CheckedOut.Else otherwise). Empty for every other base, checked as before it.
-	Release string `json:"release,omitempty"`
 	// Siblings are the other open pull requests of this one's delivery group the check reads beside it (novox/hq ADR
 	// 0382 §1): each repository found under Dir is read at the sibling's head merged onto the sibling's base, in
 	// place of the commit the mesh runs. SiblingsUnknown says mesh-delivery could not be asked, or answered without
@@ -299,10 +293,6 @@ const (
 type CheckedOut struct {
 	Repository string `json:"repository"`
 	Ref        string `json:"ref,omitempty"`
-	// Else is the ref read when the repository has no branch Ref (novox/hq ADR 0358 §3): beside a check of a pull
-	// request into a release branch, Ref is that branch and Else the repository's trunk. Empty: Ref is read, or the
-	// check cannot run.
-	Else string `json:"else,omitempty"`
 }
 
 // CheckOutcome is a merge check's verdict.
@@ -327,13 +317,7 @@ type CheckOutcome struct {
 	Members []CheckedMember   `json:"members,omitempty"`
 	// Built are the builds it made for its merge (novox/hq ADR 0350 §1).
 	Built []CheckBuilt `json:"built,omitempty"`
-	// Release is the release branch the check was judged for (novox/hq ADR 0358 §4), JudgedBy the commit of the
-	// controller that judged its gate, as twelve characters, and BesideAt the branch each repository beside it was
-	// read at, by directory. Empty from a check of any other base, and from a build seat from before it.
-	Release  string            `json:"release,omitempty"`
-	JudgedBy string            `json:"judged-by,omitempty"`
-	BesideAt map[string]string `json:"beside-at,omitempty"`
-	// Validator says which node-engine validator the judge of a release-branch check was built with (ADR 0358 §2).
+	// Validator says which node-engine validator the group's judge was built with (ADR 0382 §3).
 	Validator string `json:"validator,omitempty"`
 	// Siblings are the pull requests of its delivery group it read beside it, each as its head merged onto its base
 	// commit (ADR 0382 §4), SiblingsUnknown why it could not learn them, and JudgeFrom where the judge came from when

internal/link/events.go

@@ -307,13 +307,7 @@ type Checked struct {
 	Trunk  string            `json:"trunk,omitempty"`
 	Beside map[string]string `json:"beside,omitempty"`
 	Took   string            `json:"took,omitempty"`
-	// Release is the release branch the check judged for (novox/hq ADR 0358 §4), JudgedBy the commit of the
-	// controller that judged its gate (twelve characters), and BesideAt the branch each repository beside it was
-	// read at, by directory: so a reader sees a release-branch judgement apart from a trunk one. Empty otherwise.
-	Release  string            `json:"release,omitempty"`
-	JudgedBy string            `json:"judged-by,omitempty"`
-	BesideAt map[string]string `json:"beside-at,omitempty"`
-	// Validator says which node-engine validator the judge of a release-branch check was built with (ADR 0358 §2).
+	// Validator says which node-engine validator the group's judge was built with (ADR 0382 §3).
 	Validator string `json:"validator,omitempty"`
 	// Siblings are the other pull requests of the delivery group the check read beside it (novox/hq ADR 0382 §4), each
 	// with its head and the base commit it was merged onto; SiblingsUnknown is why it could not learn them, set only