Remove logging bits from script_test.go.

The allows the tests to run without showing warning for malformed bits
(which are intentionally malformed for testing purposes).  Also, the
tests would not compile since the new btclog backend was switched out.
This commit resolves that.

opcode_test.go

@@ -6,12 +6,9 @@ package btcscript_test
 
 import (
 	"bytes"
-	"fmt"
 	"github.com/conformal/btcscript"
 	"github.com/conformal/btcwire"
-	"github.com/conformal/seelog"
 	"github.com/davecgh/go-spew/spew"
-	"os"
 	"testing"
 )
 
@@ -520,14 +517,6 @@ func testScript(t *testing.T, script []byte, canonical bool) (err error) {
 }
 
 func TestScripts(t *testing.T) {
-	log, err := seelog.LoggerFromWriterWithMinLevel(os.Stdout,
-		seelog.InfoLvl)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "failed to create logger: %v", err)
-		return
-	}
-	defer log.Flush()
-	btcscript.UseLogger(log)
 	// for each entry in the list
 	for i := range opcodeTests {
 		shouldPass := opcodeTests[i].shouldPass