books: drop "pay what you want" text

Steve Hollasch · hollasch · commit 449a0da3a137 · 2019-10-07T22:10:31.000Z
diff --git a/books/RayTracingTheNextWeek.html b/books/RayTracingTheNextWeek.html
@@ -7,8 +7,6 @@
                                            Peter Shirley
                                             Version 1.41
                       <br>Copyright 2018. Peter Shirley. All rights reserved.
-                         <br>Pay What You Want. ptrshrl@gmail.com at PayPal
-            50% of all payments donated to programming education related not-for-profits
 
 
 
diff --git a/books/RayTracingTheRestOfYourLife.html b/books/RayTracingTheRestOfYourLife.html
@@ -7,8 +7,6 @@
                                            Peter Shirley
                                            Version 1.123
                       <br>Copyright 2018. Peter Shirley. All rights reserved.
-                         <br>Pay What You Want. ptrshrl@gmail.com at paypal
-            50% of all payments donated to programming education related not-for-profits
 
 
 
