message: remove wren from cmake
diff: @@ -2,8 +2,6 @@ add_subdirectory( fc )
  add_subdirectory( chainbase )
  add_subdirectory( wasm-jit )
  #add_subdirectory( binaryen )
  -add_subdirectory( wren )
  -add_subdirectory( wrenbase )
  add_subdirectory( types )
  add_subdirectory( chain )
  add_subdirectory( egenesis )
  