Final update for v6.0.3 release

Author: sharadraju

README.md

@@ -1,7 +1,5 @@
 # node-oracledb version 6.0.3
 
-**This release is under development and information may be incomplete**
-
 The node-oracledb add-on for Node.js powers high performance Oracle Database
 applications.  Applications can be written in TypeScript, or directly in
 JavaScript.

doc/src/release_notes.rst

@@ -6,7 +6,7 @@ node-oracledb Release Notes
 =============================
 
 node-oracledb `v6.0.3 <https://github.com/oracle/node-oracledb/compare/v6.0.2...v6.0.3>`__ (12 Jul 2023)
-------------------------------------------------------------------------------------------------
+--------------------------------------------------------------------------------------------------------
 
 Common Changes
 ++++++++++++++