removed some incorrect subplot options

dkogan · dkogan · commit 9fb3fdfab845 · 2019-09-17T23:47:00.000-07:00
diff --git a/gnuplotlib.py b/gnuplotlib.py
@@ -906,7 +906,6 @@ class gnuplotlib has a separate gnuplot process and a plot window. If multiple
                                    'unset',  # both process and subplot
                                    '3d',
                                    'square', 'square_xy', 'title',
-                                   'hardcopy', 'terminal', 'output',
                                    'with',   # both a plot option and a curve option
                                    'rgbimage',
                                    'equation', 'equation_above', 'equation_below',
