Remove obsolete BLOCKED_WAITAOF comment

BLOCKED_WAITAOF was consolidated into BLOCKED_WAIT in valkey-io#562.

Signed-off-by: Binbin <[email protected]>

Author: enjoy-binbin

src/server.h

@@ -912,7 +912,7 @@ typedef struct blockingState {
     /* BLOCKED_LIST, BLOCKED_ZSET and BLOCKED_STREAM or any other Keys related blocking */
     dict *keys; /* The keys we are blocked on */
 
-    /* BLOCKED_WAIT and BLOCKED_WAITAOF */
+    /* BLOCKED_WAIT */
     int numreplicas;      /* Number of replicas we are waiting for ACK. */
     int numlocal;         /* Indication if WAITAOF is waiting for local fsync. */
     long long reploffset; /* Replication offset to reach. */