Remove seperation line

Co-authored-by: Dongdong Tian <seisman.info@gmail.com>

Author: yvonnefroehlich

examples/gallery/lines/curves_area.py

@@ -19,8 +19,6 @@
 y2 = np.sin(x / 2)
 
 data_df = pd.DataFrame({"x": x, "y1": y1, "y2": y2})
-# -----------------------------------------------------------------------------
-# Set up new Figure instance
 fig = gmt.Figure()
 fig.basemap(region=[-10, 10, -5, 5], projection="X15c/5c", frame=True)