xprtrdma: Remove transfertypes array

Clean up: This array was used in a dprintk that was replaced by a
trace point in commit ab03eff5 ("xprtrdma: Add trace points in
RPC Call transmit paths").
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

net/sunrpc/xprtrdma/rpc_rdma.c

@@ -55,14 +55,6 @@
 # define RPCDBG_FACILITY	RPCDBG_TRANS
 #endif
 
-static const char transfertypes[][12] = {
-	"inline",	/* no chunks */
-	"read list",	/* some argument via rdma read */
-	"*read list",	/* entire request via rdma read */
-	"write list",	/* some result via rdma write */
-	"reply chunk"	/* entire reply via rdma write */
-};
-
 /* Returns size of largest RPC-over-RDMA header in a Call message
  *
  * The largest Call header contains a full-size Read list and a