Removed warnings from go staticcheck

cmd/cgr-console/cgr-console.go

@@ -99,15 +99,15 @@ func executeCommand(command string, client *rpcclient.RPCClient) {
 	if cmd.RpcMethod() != utils.EmptyString {
 		res := cmd.RpcResult()
 		param := cmd.RpcParams(false)
-		switch param.(type) {
+		switch p := param.(type) {
 		case *console.EmptyWrapper:
 			param = utils.EmptyString
 		case *console.StringWrapper:
-			param = param.(*console.StringWrapper).Item
+			param = p.Item
 		case *console.StringSliceWrapper:
-			param = param.(*console.StringSliceWrapper).Items
+			param = p.Items
 		case *console.StringMapWrapper:
-			param = param.(*console.StringMapWrapper).Items
+			param = p.Items
 		}
 
 		if rpcErr := client.Call(context.TODO(), cmd.RpcMethod(), param, res); rpcErr != nil {

cmd/cgr-tester/filereader.go

@@ -19,7 +19,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 package main
 
 import (
-	"bufio"
 	"bytes"
 	"io"
 	"log"
@@ -52,9 +51,8 @@ type FileReaderTester struct {
 	runs     int
 	reqSep   []byte
 
-	rdr      io.Reader
-	conn     net.Conn
-	connScnr *bufio.Scanner
+	rdr  io.Reader
+	conn net.Conn
 }
 
 func (frt *FileReaderTester) connSendReq(req []byte) (err error) {