web: Remove tips

web/bitcoin.txt

@@ -1 +0,0 @@
-13Qbr6xhvGDLFM7PMG53DLheFGSY1K4KY2

web/index.html

@@ -87,14 +87,6 @@
       </tr>
     </table>
 
-    <h2>Tip</h2>
-    <p>
-      If you like Spek and want to thank its developer feel free to leave a tip:
-    </p>
-    <p>
-      <a href="/bitcoin.txt"><img src="bitcoin.png" title="Bitcoin" alt="Bitcoin"/></a>&nbsp;&nbsp;<a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&amp;business=ZUUSBRRB2SBRQ&amp;lc=GB&amp;item_name=Spek&amp;item_number=spek&amp;no_note=1&amp;no_shipping=1&amp;currency_code=USD&amp;bn=PP%2dDonationsBF%3abtn_donate_SM%2egif%3aNonHosted"><img src="paypal.png" title="Tip with PayPal" alt="Tip with PayPal"/></a>&nbsp;&nbsp;<a href="http://flattr.com/thing/277585/Spek"><img src="flattr.png" alt="Flattr this" title="Flattr this"/></a>&nbsp;&nbsp;<a href="http://amzn.com/w/1RJ8WMVMEAIGF"><img src="amazon.png" alt="Amazon wish list" title="Amazon wish list"/></a>
-    </p>
-
     <h2>News <a href="http://versia.com/category/spek/feed/atom/"><img src="feed-icon-14x14.png" alt="news feed"/></a></h2>
     <ul>
       <li>2011-08-17: <a href="http://versia.com/2011/08/17/spek-and-lion/">Spek and Lion</a></li>