internal/frontend: delete urlInfo.resolvedVersion

urlInfo.resolvedVersion is no longer used and is deleted.

Change-Id: Ic40b042075daab3f25ac023f8c8b5226280a7720
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/270599
Trust: Julie Qiu <julie@golang.org>
Run-TryBot: Julie Qiu <julie@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
diff --git a/internal/frontend/details.go b/internal/frontend/details.go
index 96feec4..8b5acdb 100644
--- a/internal/frontend/details.go
+++ b/internal/frontend/details.go
@@ -92,7 +92,6 @@
 	}
 	recordVersionTypeMetric(ctx, urlInfo.requestedVersion)
 
-	urlInfo.resolvedVersion = urlInfo.requestedVersion
 	um, err := ds.GetUnitMeta(ctx, urlInfo.fullPath, urlInfo.modulePath, urlInfo.requestedVersion)
 	if err != nil {
 		if !errors.Is(err, derrors.NotFound) {
@@ -100,9 +99,6 @@
 		}
 		return s.servePathNotFoundPage(w, r, ds, urlInfo.fullPath, urlInfo.requestedVersion)
 	}
-
-	urlInfo.modulePath = um.ModulePath
-	urlInfo.resolvedVersion = um.Version
 	if urlInfo.requestedVersion == internal.MasterVersion {
 		// Since path@master is a moving target, we don't want it to be stale.
 		// As a result, we enqueue every request of path@master to the frontend
diff --git a/internal/frontend/urlinfo.go b/internal/frontend/urlinfo.go
index 867383e..b0b5ae1 100644
--- a/internal/frontend/urlinfo.go
+++ b/internal/frontend/urlinfo.go
@@ -31,8 +31,6 @@
 	// of the following: "latest", "master", a Go version tag, or a semantic
 	// version.
 	requestedVersion string
-	// resolvedVersion is the semantic version stored in the database.
-	resolvedVersion string
 }
 
 // extractURLPathInfo extracts information from a request to pkg.go.dev.