Bluetooth: Remove L2CAP Extended Features from Kconfig

This reverts commit 84fb0a63 which adds
the L2CAP Extended Features to the Kconfig, that is actually not needed.
One can use other mechanisms to enable L2CAP Extended Features.
Signed-off-by: NGustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

net/bluetooth/Kconfig

@@ -43,19 +43,6 @@ config BT_L2CAP
 	  Say Y here to compile L2CAP support into the kernel or say M to
 	  compile it as module (l2cap).
 
-config BT_L2CAP_EXT_FEATURES
-	bool "L2CAP Extended Features support (EXPERIMENTAL)"
-	depends on BT_L2CAP && EXPERIMENTAL
-	help
-	  This option enables the L2CAP Extended Features support. These
-	  new features include the Enhanced Retransmission and Streaming
-	  Modes, the Frame Check Sequence (FCS), and Segmentation and
-	  Reassembly (SAR) for L2CAP packets. They are a required for the
-	  new Alternate MAC/PHY and the Bluetooth Medical Profile.
-
-	  You should say N unless you know what you are doing. Note that
-	  this is in an experimental state yet.
-
 config BT_SCO
 	tristate "SCO links support"
 	depends on BT

net/bluetooth/l2cap.c

@@ -55,11 +55,7 @@
 
 #define VERSION "2.14"
 
-#ifdef CONFIG_BT_L2CAP_EXT_FEATURES
-static int enable_ertm = 1;
-#else
 static int enable_ertm = 0;
-#endif
 
 static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
 static u8 l2cap_fixed_chan[8] = { 0x02, };