message: cmake: remove leftover printf
diff: @@ -72,7 +72,6 @@ foreach(plugin ${external_plugins})
  endforeach()
  foreach(unittest_source_file ${unittest_source_files})
  list(APPEND plugin_unittest_source_files "${plugin}/${unittest_source_file}")
  - message("appending 2: ${plugin_unittest_source_files}")
  endforeach()
  foreach(header_file ${header_files})
  list(APPEND plugin_header_paths "${plugin}/${header_file}")
  