simplify docstrings

previously the FancyArrow docstring was missing x,y,dx, and dy

Author: ianhi

lib/matplotlib/axes/_axes.py

@@ -5035,12 +5035,6 @@ def arrow(self, x, y, dx, dy, **kwargs):
 
         Parameters
         ----------
-        x, y : float
-            The x and y coordinates of the arrow base.
-
-        dx, dy : float
-            The length of the arrow along x and y direction.
-
         %(FancyArrow)s
 
         Returns

lib/matplotlib/patches.py

@@ -1305,6 +1305,12 @@ def __init__(self, x, y, dx, dy, width=0.001, length_includes_head=False,
         """
         Parameters
         ----------
+        x, y : float
+            The x and y coordinates of the arrow base.
+
+        dx, dy : float
+            The length of the arrow along x and y direction.
+
         width : float, default: 0.001
             Width of full arrow tail.