Revert "[CodeGen] Keep track of eagerly emitted globals"

The added test doesn't work on Windows:
https://lab.llvm.org/buildbot/#/builders/216/builds/25769

This reverts commit f8dadefd4a.

clang/lib/CodeGen/CodeGenModule.cpp

@@ -3658,7 +3658,6 @@ void CodeGenModule::EmitGlobal(GlobalDecl GD) {
   if (MustBeEmitted(Global) && MayBeEmittedEagerly(Global)) {
     // Emit the definition if it can't be deferred.
     EmitGlobalDefinition(GD);
-    addEmittedDeferredDecl(GD);
     return;
   }
 

clang/test/Interpreter/inline-virtual.cpp

@@ -1,21 +0,0 @@
-// REQUIRES: host-supports-jit
-// UNSUPPORTED: system-aix
-// RUN: cat %s | clang-repl | FileCheck %s
-// RUN: cat %s | clang-repl -Xcc -O2 | FileCheck %s
-
-extern "C" int printf(const char *, ...);
-
-struct A { int a; A(int a) : a(a) {} virtual ~A(); };
-
-// Then define the virtual destructor as inline out-of-line, in a separate
-// PartialTranslationUnit.
-inline A::~A() { printf("~A(%d)\n", a); }
-
-// Create one instance with new and delete it.
-A *a1 = new A(1);
-delete a1;
-// CHECK: ~A(1)
-
-// Also create one global that will be auto-destructed.
-A a2(2);
-// CHECK: ~A(2)