internal/postgres: rename function

Remove the "Latest" from getUnitMetaWithKnownLatestVersion, because it
applies to any known version. Make the error and stat strings match.

Change-Id: I805a569ac2180a150c62946980c84263ff3f73ec
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/345250
Trust: Jonathan Amsterdam <jba@google.com>
Run-TryBot: Jonathan Amsterdam <jba@google.com>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jamal Carvalho <jamal@golang.org>
diff --git a/internal/postgres/unit.go b/internal/postgres/unit.go
index 45b75ce..e89e5c8 100644
--- a/internal/postgres/unit.go
+++ b/internal/postgres/unit.go
@@ -47,12 +47,12 @@
 			return nil, err
 		}
 	}
-	return db.getUnitMetaWithKnownLatestVersion(ctx, fullPath, modulePath, v, lmv)
+	return db.getUnitMetaWithKnownVersion(ctx, fullPath, modulePath, v, lmv)
 }
 
-func (db *DB) getUnitMetaWithKnownLatestVersion(ctx context.Context, fullPath, modulePath, version string, lmv *internal.LatestModuleVersions) (_ *internal.UnitMeta, err error) {
-	defer derrors.WrapStack(&err, "getUnitMetaKnownVersion")
-	defer middleware.ElapsedStat(ctx, "getUnitMetaKnownVersion")()
+func (db *DB) getUnitMetaWithKnownVersion(ctx context.Context, fullPath, modulePath, version string, lmv *internal.LatestModuleVersions) (_ *internal.UnitMeta, err error) {
+	defer derrors.WrapStack(&err, "getUnitMetaWithKnownVersion")
+	defer middleware.ElapsedStat(ctx, "getUnitMetaWithKnownVersion")()
 
 	query := squirrel.Select(
 		"m.module_path",