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

lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp

@@ -222,9 +222,7 @@ PythonBytes::~PythonBytes() {}
 bool PythonBytes::Check(PyObject *py_obj) {
   if (!py_obj)
     return false;
-  if (PyBytes_Check(py_obj))
-    return true;
-  return false;
+  return PyBytes_Check(py_obj);
 }
 
 void PythonBytes::Reset(PyRefType type, PyObject *py_obj) {
@@ -294,9 +292,7 @@ PythonByteArray::~PythonByteArray() {}
 bool PythonByteArray::Check(PyObject *py_obj) {
   if (!py_obj)
     return false;
-  if (PyByteArray_Check(py_obj))
-    return true;
-  return false;
+  return PyByteArray_Check(py_obj);
 }
 
 void PythonByteArray::Reset(PyRefType type, PyObject *py_obj) {