Remove experimental status of debugger API

Also remove experimental warning in debugger web UI.

debugger/README.rst

@@ -5,8 +5,6 @@ Duktape debug client and JSON debug proxy
 Overview
 ========
 
-**Highly experimental!**
-
 Debugger web UI which connects to the Duktape command line tool or any other
 target supporting the example TCP transport (``examples/debug-trans-socket``).
 

debugger/static/index.html

@@ -82,7 +82,6 @@ send <span id="debug-tx-bytes">?</span> (<span id="debug-tx-kbrate">?</span> kB/
 <p>This web UI talks to a NodeJS debug server using <a href="http://socket.io/" target="_blank">socket.io</a>.
 The debug server talks to the target device using the Duktape debug protocol
 (see <a href="https://github.com/svaarala/duktape/blob/master/doc/debugger.rst" target="_blank">debugger.rst</a>).</p>
-<p>Duktape debugger is currently <span style="font-weight: bold">experimental</span>.</p>
 </div>  <!-- #about-dialog -->
 
 <div id="bytecode-dialog" title="Bytecode for current function">

doc/debugger.rst

@@ -2,9 +2,6 @@
 Duktape debugger
 ================
 
-**The debugger support is currently experimental, i.e. may change in an
-incompatible way even in a minor release.**
-
 Introduction
 ============