all: add whitespace linter (#25312)

* golangci: typo

Signed-off-by: Delweng <delweng@gmail.com>

* golangci: add whietspace

Signed-off-by: Delweng <delweng@gmail.com>

* *: rm whitesapce using golangci-lint

Signed-off-by: Delweng <delweng@gmail.com>

* cmd/puppeth: revert accidental resurrection

Co-authored-by: Péter Szilágyi <peterke@gmail.com>

common/math/big_test.go

@@ -171,7 +171,6 @@ func BenchmarkByteAt(b *testing.B) {
 }
 
 func BenchmarkByteAtOld(b *testing.B) {
-
 	bigint := MustParseBig256("0x18F8F8F1000111000110011100222004330052300000000000000000FEFCF3CC")
 	for i := 0; i < b.N; i++ {
 		PaddedBigBytes(bigint, 32)
@@ -244,7 +243,6 @@ func TestBigEndianByteAt(t *testing.T) {
 		if actual != test.exp {
 			t.Fatalf("Expected  [%v] %v:th byte to be %v, was %v.", test.x, test.y, test.exp, actual)
 		}
-
 	}
 }
 func TestLittleEndianByteAt(t *testing.T) {
@@ -277,7 +275,6 @@ func TestLittleEndianByteAt(t *testing.T) {
 		if actual != test.exp {
 			t.Fatalf("Expected  [%v] %v:th byte to be %v, was %v.", test.x, test.y, test.exp, actual)
 		}
-
 	}
 }