doc: Update -O option description

We use -Ox by default since Nasm-2.09 so "-O0" is not
longer "default" option. But first paragraph still has
the reference which confuses people. Get rid of it.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>

diff --git a/doc/nasmdoc.src b/doc/nasmdoc.src
index 26f1b1b..4dc02aa 100644 (file)
--- a/doc/nasmdoc.src
+++ b/doc/nasmdoc.src
@@ -843,10 +843,6 @@ with a \i{stub preprocessor} which does nothing.
 
 \S{opt-O} The \i\c{-O} Option: Specifying \i{Multipass Optimization}
 
-NASM defaults to not optimizing operands which can fit into a signed byte.
-This means that if you want the shortest possible object code,
-you have to enable optimization.
-
 Using the \c{-O} option, you can tell NASM to carry out different
 levels of optimization.  The syntax is: