CMake: Remove duplicated line

CMakeLists.txt

@@ -27,7 +27,6 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/CMakeModules/")
 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME Core)
 
-add_definitions(-DQS_LOG_LINE_NUMBERS -DQS_LOG_SEPARATE_THREAD)
 macro(set_policy _POLICY _VALUE)
   if(POLICY ${_POLICY})
     cmake_policy(SET ${_POLICY} ${_VALUE})