tools: upgrade linter to latest version

tools/go.mod

@@ -6,11 +6,8 @@ require (
 	github.com/btcsuite/btcd v0.23.1
 	github.com/dvyukov/go-fuzz v0.0.0-20210602112143-b1f3d6f4ef4e
 	github.com/elazarl/go-bindata-assetfs v1.0.1 // indirect
-	github.com/golangci/golangci-lint v1.44.0
+	github.com/golangci/golangci-lint v1.46.2
 	github.com/ory/go-acc v0.2.6
 	github.com/rinchsan/gosimports v0.1.5
 	github.com/stephens2424/writerset v1.0.2 // indirect
 )
-
-// Can be removed once this version is included in golangci-lint.
-replace github.com/ultraware/whitespace => github.com/ultraware/whitespace v0.0.5