Revert "[CodeGenModule] Assume dso_local for -fpic -fno-semantic-interposition"

This reverts commit 789a46f2d742e11edaade28cb59a0f4d2a1d770e.

Accidentally committed.
diff --git a/clang/test/CodeGenCXX/derived-cast.cpp b/clang/test/CodeGenCXX/derived-cast.cpp
index ba5fc22..bf2b258 100644
--- a/clang/test/CodeGenCXX/derived-cast.cpp
+++ b/clang/test/CodeGenCXX/derived-cast.cpp
@@ -19,7 +19,7 @@
 A *B::getAsA() {
   return static_cast<X*>(this);
 
-  // CHECK-LABEL: define dso_local %class.A* @_ZN1B6getAsAEv
+  // CHECK-LABEL: define %class.A* @_ZN1B6getAsAEv
   // CHECK: %[[THIS:.*]] = load %class.B*, %class.B**
   // CHECK-NEXT: %[[BC:.*]] = bitcast %class.B* %[[THIS]] to i8*
   // CHECK-NEXT: getelementptr inbounds i8, i8* %[[BC]], i64 -4