Delete the "don't redistribute" statement.

fp.texi

@@ -1,8 +1,9 @@
-@ignore
+
 Copyright @copyright{} 2017,2019,2020 Free Software Foundation, Inc.
+@c Copyright @copyright{} 2020 Richard Stallman and Free Software Foundation, Inc.
 
-DRAFT --- DO NOT REDISTRIBUTE --- DRAFT --- DO NOT REDISTRIBUTE --- DRAFT 
-@end ignore
+This is part of the GNU C Intro and Reference Manual
+and covered by its license.
 
 @node    Floating Point in Depth
 @chapter Floating Point in Depth