Remove code for implicit dependencies handling that was accidentally

left when <implicit-dependency> was introduced.


[SVN r20453]

tools/build

@@ -1 +1 @@
-Subproject commit d2a9da07a8b872d2650e94208e33355a97424c7c
+Subproject commit 9bf8791eab244d0556dedd808a36dc4d4ddf91dd