[lld-macho][nfc] Removed unnecessary static_cast

Differential Revision: https://reviews.llvm.org/D99365

GitOrigin-RevId: e2f34cc330e257d9a715af006cfcdcbdff4e0e18
diff --git a/MachO/Symbols.h b/MachO/Symbols.h
index e815b7d..8a3004a 100644
--- a/MachO/Symbols.h
+++ b/MachO/Symbols.h
@@ -43,7 +43,7 @@
 
   virtual ~Symbol() {}
 
-  Kind kind() const { return static_cast<Kind>(symbolKind); }
+  Kind kind() const { return symbolKind; }
 
   StringRef getName() const {
     if (nameSize == (uint32_t)-1)