[lld-macho][NFC] Remove redundant member from class Defined

[gkm]

Summary

class Symbol defines a data member InputFile *file;
class Defined inherits from Symbol and also defines a data member InputFile *file; for no apparent purpose.

[alexander-shaposhnikov]

LGTM

[smeenai]

Good catch.

lld/MachO/Symbols.h

public:
   bool isExternal() const { return external; }
   bool isAbsolute() const { return isec == nullptr; }
 
   uint64_t getVA() const override;
   uint64_t getFileOffset() const override;
 
   static bool classof(const Symbol *s) { return s->kind() == DefinedKind; }
 
-  InputFile *file;
   InputSection *isec;
   uint64_t value;
   uint64_t size;
 
   bool overridesWeakDef : 1;
   // Whether this symbol should appear in the output binary's export trie.
   bool privateExtern : 1;
   // Whether this symbol should appear in the output symbol table.