net/dccp/ccids: 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 <gerrit@erg.abdn.ac.uk>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>

net/dccp/ccids/Kconfig

-menu "DCCP CCIDs Configuration (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+menu "DCCP CCIDs Configuration"
 
 config IP_DCCP_CCID2_DEBUG
 	bool "CCID-2 debugging messages"
@@ -12,7 +11,7 @@ config IP_DCCP_CCID2_DEBUG
 	  If in doubt, say N.
 
 config IP_DCCP_CCID3
-	bool "CCID-3 (TCP-Friendly) (EXPERIMENTAL)"
+	bool "CCID-3 (TCP-Friendly)"
 	def_bool y if (IP_DCCP = y || IP_DCCP = m)
 	---help---
 	  CCID-3 denotes TCP-Friendly Rate Control (TFRC), an equation-based