Simplify Boolean expressions

This patch simplifies boolean expressions acorss LLDB. It was generated
using clang-tidy with the following command:

run-clang-tidy.py -checks='-*,readability-simplify-boolean-expr' -format -fix $PWD

Differential revision: https://reviews.llvm.org/D55584

llvm-svn: 349215
diff --git a/lldb/source/Utility/StructuredData.cpp b/lldb/source/Utility/StructuredData.cpp
index 26a96d5..76a141a 100644
--- a/lldb/source/Utility/StructuredData.cpp
+++ b/lldb/source/Utility/StructuredData.cpp
@@ -226,7 +226,7 @@
 }
 
 void StructuredData::Boolean::Dump(Stream &s, bool pretty_print) const {
-  if (m_value == true)
+  if (m_value)
     s.PutCString("true");
   else
     s.PutCString("false");