remove duplicate declaration (#2773)

Author: ofekshenawa

ring.go

@@ -84,8 +84,6 @@ type RingOptions struct {
 	WriteTimeout          time.Duration
 	ContextTimeoutEnabled bool
 
-	ContextTimeoutEnabled bool
-
 	// PoolFIFO uses FIFO mode for each node connection pool GET/PUT (default LIFO).
 	PoolFIFO bool
 
@@ -155,8 +153,6 @@ func (opt *RingOptions) clientOptions() *Options {
 		WriteTimeout:          opt.WriteTimeout,
 		ContextTimeoutEnabled: opt.ContextTimeoutEnabled,
 
-		ContextTimeoutEnabled: opt.ContextTimeoutEnabled,
-
 		PoolFIFO:        opt.PoolFIFO,
 		PoolSize:        opt.PoolSize,
 		PoolTimeout:     opt.PoolTimeout,