net/dccp: remove depends on CONFIG_EXPERIMENTAL

The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: Gerrit Renker <[e-mail]>
CC: "David S. Miller" <[e-mail]>
Signed-off-by: Kees Cook <[e-mail]>
Acked-by: David S. Miller <[e-mail]>
Acked-by: Gerrit Renker <[e-mail]>

net/dccp/Kconfig

···
 menuconfig IP_DCCP
-	tristate "The DCCP Protocol (EXPERIMENTAL)"
-	depends on INET && EXPERIMENTAL
+	tristate "The DCCP Protocol"
+	depends on INET
 	---help---
 	  Datagram Congestion Control Protocol (RFC 4340)