Remove framework gating

PortableExecutable/VarFileInfo.cs

@@ -26,11 +26,7 @@
         /// <summary>
         /// The Unicode string L"VarFileInfo".
         /// </summary>
-#if NET48
-        public string Key { get; set; }
-#else
         public string? Key { get; set; }
-#endif
 
         /// <summary>
         /// As many zero words as necessary to align the Children member on a 32-bit boundary.
@@ -40,10 +36,6 @@
         /// <summary>
         /// Typically contains a list of languages that the application or DLL supports.
         /// </summary>
-#if NET48
-        public VarData[] Children { get; set; }
-#else
         public VarData?[]? Children { get; set; }
-#endif
     }
 }