Revert "Upgrade to go 1.19 and update dependencies (#3069)" (#3085)

This reverts commit bba7c23957.

vendor/github.com/xrash/smetrics/hamming.go

@@ -1,25 +0,0 @@
-package smetrics
-
-import (
-	"fmt"
-)
-
-// The Hamming distance is the minimum number of substitutions required to change string A into string B. Both strings must have the same size. If the strings have different sizes, the function returns an error.
-func Hamming(a, b string) (int, error) {
-	al := len(a)
-	bl := len(b)
-
-	if al != bl {
-		return -1, fmt.Errorf("strings are not equal (len(a)=%d, len(b)=%d)", al, bl)
-	}
-
-	var difference = 0
-
-	for i := range a {
-		if a[i] != b[i] {
-			difference = difference + 1
-		}
-	}
-
-	return difference, nil
-}