remove defconfig. Now "make defconfig" simply uses defaults from Config.in

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/findutils/grep.c b/findutils/grep.c
index be29011..dd1a4ef 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -23,7 +23,7 @@
 //config:
 //config:config GREP
 //config:	bool "grep"
-//config:	default n
+//config:	default y
 //config:	help
 //config:	  grep is used to search files for a specified pattern.
 //config: