Removed some old corpse comments and debugging output code related to functionality long removed in revision 29361. Minor stylistic comment changes.

[SVN r45145]

tools/build

@@ -1 +1 @@
-Subproject commit 5ea6d62a5c0d85ca3fe3390535ede93fa425680c
+Subproject commit 560f054a321bd727df014656fb0ce9d8433c3a81