Removal of some ggplot2::: references
implementation of .ggint
Removal of some ggplot2::: references
remove ggplot2:::coord_train reference
removed ggplot2:::expand_default reference
remove ggplot2:::plot_clone and ggplot2:::train_cartesian reference
removed ggplot2:::scales_add_missing
removed ggplot2:::new_panel
removed ggplot2:::train_layout
removed ggplot2:::map_layout