Revert "[lldb] work around a liner error on the asan bot"

This reverts commit 87d07e6.

Author: adrian-prantl

zorg/jenkins/build.py

@@ -569,12 +569,6 @@ def lldb_cmake_builder(target, variant=None):
 
     if variant == 'sanitized':
         cmake_cmd.append('-DLLVM_USE_SANITIZER=Address;Undefined')
-        # By default macOS prevents an asanified dylib to be loaded into the system linker.
-        liblto = (
-            os.path.dirname(run_collect_output(["xcrun", "--find", "clang"]).strip())
-            + "../lib/libLTO.dylib"
-        )
-        cmake_cmd.append("-DLIBCXXABI_LINK_FLAGS=-Wl,-lto_library -Wl" + liblto)
         # There is no need to compile the lldb tests with an asanified compiler
         # if we have a host compiler available.
         if conf.CC():