Remove redundant ::get() for smart pointer. (NFC)

This commit removes redundant calls to smart pointer’s ::get() method.

https://clang.llvm.org/extra/clang-tidy/checks/readability-redundant-smartptr-get.html

llvm-svn: 353795
diff --git a/lldb/source/Expression/IRExecutionUnit.cpp b/lldb/source/Expression/IRExecutionUnit.cpp
index 4420979..19b3d07 100644
--- a/lldb/source/Expression/IRExecutionUnit.cpp
+++ b/lldb/source/Expression/IRExecutionUnit.cpp
@@ -294,7 +294,7 @@
   m_strip_underscore =
       (m_execution_engine_ap->getDataLayout().getGlobalPrefix() == '_');
 
-  if (!m_execution_engine_ap.get()) {
+  if (!m_execution_engine_ap) {
     error.SetErrorToGenericError();
     error.SetErrorStringWithFormat("Couldn't JIT the function: %s",
                                    error_string.c_str());