[WebAssembly] Remove LastDefinedKind for consistency with undefined kinds. NFC.

[ruiu]

Summary

[WebAssembly] Remove LastDefinedKind for consistency with undefined kinds. NFC.

[sbc100]

Good call. This was cargo-cult'd from COFF/Symbols.h unnecessarily.

lld/trunk/wasm/Symbols.h

 
 // The base class for real symbol classes.
 class Symbol {
 public:
   enum Kind {
     DefinedFunctionKind,
     DefinedDataKind,
     DefinedGlobalKind,
-
-    LazyKind,
     UndefinedFunctionKind,
     UndefinedDataKind,
     UndefinedGlobalKind,
-
-    LastDefinedKind = DefinedGlobalKind,
+    LazyKind,
   };
 
   Kind kind() const { return SymbolKind; }
 
-  bool isLazy() const { return SymbolKind == LazyKind; }
-  bool isDefined() const { return SymbolKind <= LastDefinedKind; }
+  bool isDefined() const {
+    return SymbolKind == DefinedFunctionKind ||
+           SymbolKind == DefinedDataKind || SymbolKind == DefinedGlobalKind;
+  }
+
   bool isUndefined() const {
     return SymbolKind == UndefinedFunctionKind ||
            SymbolKind == UndefinedDataKind || SymbolKind == UndefinedGlobalKind;
   }
+
+  bool isLazy() const { return SymbolKind == LazyKind; }
+
   bool isLocal() const;
   bool isWeak() const;
   bool isHidden() const;
 
   // Returns the symbol name.
   StringRef getName() const { return Name; }
 
   // Returns the file from which this symbol was created.