Properly delete sound/ppc/toonie.c

The previous "delete" had actually just truncated it to a zero
size, something that can easily happen if you just apply a patch.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/sound/ppc/toonie.c b/sound/ppc/toonie.c
deleted file mode 100644
index e69de29..0000000
--- a/sound/ppc/toonie.c
+++ /dev/null