[client.keyset] removed 'max' that is now in 'ctx'

src/git.xdrm.io/schastsp/client/keyset/keyset.go

@@ -16,7 +16,6 @@ const SecretSize = scha.HSIZE * 4;
 type T struct {
 	ctx      *context.T // current context
 	depth    uint16     // cur depth
-	max      uint16     // max depth
 
 	sec      []byte     // secret
 	consumed bool       // if secret is consumed
@@ -125,7 +124,7 @@ func (s *T) Decrement() uint16 {
 	s.consumed = s.depth <= s.ctx.MinDepth()+s.ctx.DepthThreshold()
 
 	/* (3) Return remaining attempts */
-	return s.depth - s.max
+	return s.depth - s.ctx.MaxDepth()
 
 }