Simplify. NFC.

The isShared case was handled by the isInCurrentDSO check.

llvm-svn: 313190
diff --git a/lld/ELF/Symbols.cpp b/lld/ELF/Symbols.cpp
index e11d39b..51253f3 100644
--- a/lld/ELF/Symbols.cpp
+++ b/lld/ELF/Symbols.cpp
@@ -350,7 +350,7 @@
     return Config->Shared;
   if (!body()->isInCurrentDSO())
     return true;
-  return ExportDynamic || body()->isShared();
+  return ExportDynamic;
 }
 
 // Print out a log message for --trace-symbol.