Switch to one-true-awk.

Test: treehugger
Change-Id: I297d21f5a463c4d3070335c7533972397014f171
diff --git a/ui/build/paths/config.go b/ui/build/paths/config.go
index 17decd0..b9713fe 100644
--- a/ui/build/paths/config.go
+++ b/ui/build/paths/config.go
@@ -74,7 +74,6 @@
 }
 
 var Configuration = map[string]PathConfig{
-	"awk":       Allowed,
 	"bash":      Allowed,
 	"bc":        Allowed,
 	"bzip2":     Allowed,
@@ -127,6 +126,7 @@
 	"pkg-config": Forbidden,
 
 	// On Linux we'll use the toybox versions of these instead.
+	"awk":       Toybox, // Strictly one-true-awk, but...
 	"basename":  Toybox,
 	"cat":       Toybox,
 	"chmod":     Toybox,