kbuild: remove redundant line from bounds.h/asm-offsets.h

This line produces an extra comment line for bounds.h and
asm-offsets.h.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/Kbuild b/Kbuild
index 3ec73e9..ab8ded9 100644
--- a/Kbuild
+++ b/Kbuild
@@ -22,7 +22,6 @@
 	 echo " * DO NOT MODIFY."; \
 	 echo " *"; \
 	 echo " * This file was generated by Kbuild"; \
-	 echo " *"; \
 	 echo " */"; \
 	 echo ""; \
 	 sed -ne $(sed-y) $<; \