Remove Falcon, this language has gone away it appears

Author: rtoal

docs/index.html

@@ -373,7 +373,6 @@
         <a href="http://www.mathstat.dal.ca/~selinger/quipper/">Quipper</a> &bull;
         <a href="https://agraef.github.io/pure-lang/">Pure</a> &bull;
         <a href="https://quorumlanguage.com/">Quorum<a> &bull;
-        <a href="http://www.falconpl.org/">Falcon</a> &bull;
         <a href="https://docs.microsoft.com/en-us/quantum/language/?view=qsharp-preview">Q#</a> &bull;
         <a href="https://www.typescriptlang.org/">TypeScript</a> &bull;
         <a href="https://ziglang.org/">Zig</a>
@@ -470,7 +469,6 @@
         <img src="resources/elm-logo-24.png" title="Elm">
         <img src="resources/erlang-logo-24.png" title="Erlang">
         <img src="resources/factor-logo-24.png" title="Factor">
-        <img src="resources/falcon-logo-24.png" title="Falcon">
         <img src="resources/fsharp-logo-24.png" title="F#">
         <img src="resources/go-logo-24.png" title="Go">
         <img src="resources/gp-logo-24.png" title="GP">