Removed "proposed" from charter

... and moved link to GH at the end of the footer.

This is to fix part of [Sam's issue](w3c/charter-drafts#261 (comment)) elsewhere.

charter.html

@@ -84,7 +84,7 @@ <h1 id="title">Accessibility Guidelines Working Group Charter</h1>
 			<div class="noprint">
 				<p class="join"><a href="https://www.w3.org/2004/01/pp-impl/35422/join">Join the Accessibility Guidelines Working Group.</a></p>
 			</div>
-			<p style="padding: 0.5ex; border: 1px solid green"> This proposed charter is available on <a href="https://github.com/w3c/wcag/blob/charter-2019/charter.html">GitHub</a>. Feel free to raise <a href="https://github.com/w3c/wcag/issues">issues</a>. </p>
+
 			<section id="details">
 				<table class="summary-table">
 					<tr id="date-start">
@@ -368,6 +368,7 @@ <h3> Charter History </h3>
 				<a href="https://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> © 2019 <a href="https://www.w3.org/"><abbr title="World Wide Web Consortium">W3C</abbr></a><sup>®</sup> ( <a href="https://www.csail.mit.edu/"><abbr title="Massachusetts Institute of Technology">MIT</abbr></a>, <a href="https://www.ercim.eu/"><abbr title="European Research Consortium for Informatics and Mathematics">ERCIM</abbr></a>, <a href="https://www.keio.ac.jp/">Keio</a>, <a href="https://ev.buaa.edu.cn/">Beihang</a> ), All Rights Reserved. <abbr title="World Wide Web Consortium">W3C</abbr>
 				<a href="https://www.w3.org/Consortium/Legal/ipr-notice#Legal_Disclaimer">liability</a>, <a href="https://www.w3.org/Consortium/Legal/ipr-notice#W3C_Trademarks">trademark</a> and <a href="https://www.w3.org/Consortium/Legal/copyright-documents">document use</a> rules apply. </p>
 			<hr />
+			<p><a href="https://github.com/w3c/wcag/blob/charter-2019/charter.html">Yes, it's on GitHub!</a></p>
 		</footer>
 	</body>
 </html>