chore: remove unused code

macho.go

@@ -21,7 +21,6 @@ import (
 	"debug/gosym"
 	"debug/macho"
 	"fmt"
-	"math"
 	"os"
 )
 
@@ -42,22 +41,8 @@ func openMachO(fp string) (*machoFile, error) {
 var _ fileHandler = (*machoFile)(nil)
 
 type machoFile struct {
-	file      *macho.File
-	osFile    *os.File
-	textStart uint64
-}
-
-func (m *machoFile) trySetTextStart() {
-	addr := uint64(math.MaxUint64)
-	if m.file.Symtab != nil {
-		for _, sym := range m.file.Symtab.Syms {
-			if sym.Name == "runtime.text" {
-				addr = sym.Value
-				break
-			}
-		}
-	}
-	m.textStart = addr
+	file   *macho.File
+	osFile *os.File
 }
 
 func (m *machoFile) GetParsedFile() any {