Improved performance

Response.go

@@ -2,7 +2,6 @@ package web
 
 import (
 	"io"
-	"strings"
 )
 
 // Response is the interface for an HTTP response.
@@ -78,17 +77,3 @@ func (res *response) WriteString(body string) (int, error) {
 	res.body = append(res.body, body...)
 	return len(body), nil
 }
-
-// headerText combines all HTTP headers into a single string.
-func (res *response) headerText() string {
-	combined := strings.Builder{}
-
-	for _, header := range res.headers {
-		combined.WriteString(header.Key)
-		combined.WriteString(": ")
-		combined.WriteString(header.Value)
-		combined.WriteString("\r\n")
-	}
-
-	return combined.String()
-}