Remove possible repetition

Author: mcbarton

unittests/CppInterOp/TestSharedLib/CMakeLists.txt

@@ -1,9 +1,3 @@
-if (EMSCRIPTEN)
-  # Without this it tries compiling to static library and get a warning
-  set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE)
-  set(CMAKE_STRIP FALSE)
-endif()
-
 add_llvm_library(TestSharedLib
   SHARED
   DISABLE_LLVM_LINK_LLVM_DYLIB