[LLDB] Migrate llvm::make_unique to std::make_unique

Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of (hopefully) all the llvm::make_unique instances across the monorepo.

Differential revision: https://reviews.llvm.org/D66259

llvm-svn: 368933

lldb/source/Plugins/Process/POSIX/NativeProcessELF.cpp

@@ -21,7 +21,7 @@ NativeProcessELF::GetAuxValue(enum AuxVector::EntryType type) {
     DataExtractor auxv_data(buffer_or_error.get()->getBufferStart(),
                             buffer_or_error.get()->getBufferSize(),
                             GetByteOrder(), GetAddressByteSize());
-    m_aux_vector = llvm::make_unique<AuxVector>(auxv_data);
+    m_aux_vector = std::make_unique<AuxVector>(auxv_data);
   }
 
   return m_aux_vector->GetAuxValue(type);