Remove Emscripten support

test/CodeGenCXX/static-init-emscripten.cpp

Index: test/CodeGenCXX/static-init-emscripten.cpp
diff --git a/test/CodeGenCXX/static-init-emscripten.cpp b/test/CodeGenCXX/static-init-emscripten.cpp
deleted file mode 100644
index bc0a7ef6924d41f56bf65565cfbde3a6f3570a42..0000000000000000000000000000000000000000
--- a/test/CodeGenCXX/static-init-emscripten.cpp
+++ /dev/null
@@ -1,14 +0,0 @@
-// RUN: %clang_cc1 -emit-llvm -triple=asmjs-unknown-emscripten -o - %s | FileCheck %s
-
-int f();
-
-// Test that Emscripten uses the Itanium/x86 ABI in which the static
-// variable's guard variable is tested via "load i8 and compare with
-// zero" rather than the ARM ABI which uses "load i32 and test the
-// bottom bit".
-void g() {
-  static int a = f();
-}
-// CHECK: load atomic i8, i8* bitcast (i64* @_ZGVZ1gvE1a to i8*) acquire
-// CHECK-NEXT: %guard.uninitialized = icmp eq i8 %0, 0
-// CHECK-NEXT: br i1 %guard.uninitialized, label %init.check, label %init.end