cmd/go/internal/modload: remove go117LazyTODO

Replace the last remaining use with a reference to #48024.

Change-Id: I699711b4e42abe9c6d3512c28d2ee81a84e3263a
Reviewed-on: https://go-review.googlesource.com/c/go/+/345392
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>

Author: Bryan C. Mills

src/cmd/go/internal/modload/edit.go

@@ -253,12 +253,10 @@ func raiseLimitsForUpgrades(ctx context.Context, maxVersion map[string]string, d
 		// common versions among multiple upgrades.
 		upgradeGraph, err := readModGraph(ctx, eager, eagerUpgrades)
 		if err != nil {
-			if go117LazyTODO {
-				// Compute the requirement path from a module path in tryUpgrade to the
-				// error, and the requirement path (if any) from rs.rootModules to the
-				// tryUpgrade module path. Return a *mvs.BuildListError showing the
-				// concatenation of the paths (with an upgrade in the middle).
-			}
+			// Compute the requirement path from a module path in tryUpgrade to the
+			// error, and the requirement path (if any) from rs.rootModules to the
+			// tryUpgrade module path. Return a *mvs.BuildListError showing the
+			// concatenation of the paths (with an upgrade in the middle).
 			return err
 		}
 

src/cmd/go/internal/modload/modfile.go

@@ -44,13 +44,6 @@ const (
 	separateIndirectVersionV = "v1.17"
 )
 
-const (
-	// go1117LazyTODO is a constant that exists only until lazy loading is
-	// implemented. Its use indicates a condition that will need to change if the
-	// main module is lazy.
-	go117LazyTODO = false
-)
-
 // modFileGoVersion returns the (non-empty) Go version at which the requirements
 // in modFile are interpreted, or the latest Go version if modFile is nil.
 func modFileGoVersion(modFile *modfile.File) string {