Removed minify source maps

These files have no route in mvc, so only cause 404 errors in browser
dev tools.

Disco.Web/ClientSource/Style/Timeline/disco.timelineextensions.css

@@ -6,4 +6,3 @@
   font-size: 0.8em;
   padding-right: 1px;
 }
-/*# sourceMappingURL=disco.timelineextensions.css.map */

Disco.Web/ClientSource/Style/Timeline/disco.timelineextensions.css.map

@@ -1 +0,0 @@
-{"version":3,"sources":["disco.timelineextensions.less","E:/Disco/Source Repository/Disco/Disco.Web/ClientSource/Style/Declarations.less"],"names":[],"mappings":"AAEA;EACC,sBAAA;;AAGD;EACC,uBCgC0B,wBDhC1B;EACA,gBAAA;EACA,kBAAA","file":"disco.timelineextensions.css"}