Remove my copyright notice

Author: petercorke

arrow3.m

@@ -1,26 +1,3 @@
-
-% Copyright (C) 1993-2019 Peter I. Corke
-%
-% This file is part of The Spatial Math Toolbox for MATLAB (SMTB).
-% 
-% Permission is hereby granted, free of charge, to any person obtaining a copy
-% of this software and associated documentation files (the "Software"), to deal
-% in the Software without restriction, including without limitation the rights
-% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-% of the Software, and to permit persons to whom the Software is furnished to do
-% so, subject to the following conditions:
-%
-% The above copyright notice and this permission notice shall be included in all
-% copies or substantial portions of the Software.
-%
-% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
-% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-% FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-% COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-% IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-% CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-%
-% https://github.com/petercorke/spatial-math
 function hn=arrow3(p1,p2,s,w,h,ip,alpha,beta)
 % ARROW3 (R13)
 %   ARROW3(P1,P2) draws lines from P1 to P2 with directional arrowheads.