Fix 303、307、167、653、1017 multi ‘--’ cause link bad

leetcode/0946.Validate-Stack-Sequences/946. Validate Stack Sequences.go

@@ -1,17 +1,13 @@
 package leetcode
 
-import "fmt"
-
 func validateStackSequences(pushed []int, popped []int) bool {
 	stack, j, N := []int{}, 0, len(pushed)
 	for _, x := range pushed {
 		stack = append(stack, x)
-		fmt.Printf("stack = %v j = %v\n", stack, j)
 		for len(stack) != 0 && j < N && stack[len(stack)-1] == popped[j] {
 			stack = stack[0 : len(stack)-1]
 			j++
 		}
-		fmt.Printf("*****stack = %v j = %v\n", stack, j)
 	}
 	return j == N
 }