CLEANUP: ssl: remove the shsess_* macros

The shsess_* macros where already defined in proto/ssl_sock.h, remove
them from ssl_sock.c
diff --git a/src/ssl_sock.c b/src/ssl_sock.c
index 58fade6..d1b263e 100644
--- a/src/ssl_sock.c
+++ b/src/ssl_sock.c
@@ -531,14 +531,6 @@
 static struct shared_context *ssl_shctx = NULL; /* ssl shared session cache */
 static struct eb_root *sh_ssl_sess_tree; /* ssl shared session tree */
 
-#define sh_ssl_sess_tree_delete(s)	ebmb_delete(&(s)->key);
-
-#define sh_ssl_sess_tree_insert(s)	(struct sh_ssl_sess_hdr *)ebmb_insert(sh_ssl_sess_tree, \
-								     &(s)->key, SSL_MAX_SSL_SESSION_ID_LENGTH);
-
-#define sh_ssl_sess_tree_lookup(k)	(struct sh_ssl_sess_hdr *)ebmb_lookup(sh_ssl_sess_tree, \
-								     (k), SSL_MAX_SSL_SESSION_ID_LENGTH);
-
 /* Dedicated callback functions for heartbeat and clienthello.
  */
 #ifdef TLS1_RT_HEARTBEAT
@@ -612,7 +604,6 @@
 
 	return ((struct ssl_sock_ctx *)(conn->xprt_ctx))->ssl;
 }
-
 /*
  * This function gives the detail of the SSL error. It is used only
  * if the debug mode and the verbose mode are activated. It dump all