Removed old Mercurial ignore file

.hgignore

@@ -1,17 +0,0 @@
-syntax: glob
-bin/*
-.settings/org.eclipse.jdt.core.prefs
-project.properties
-dist/*
-syntax: regexp
-^app_icon\.psd$
-^bart-train\.jpg$
-^colorscheme\.jpg$
-^release-builds\/.*$
-^gen\/.*$
-syntax: regexp
-^Screenshot\.add\.png$
-syntax: regexp
-^Screenshot\.departures\.png$
-syntax: regexp
-^Screenshot\.list\.png$