Remove gtk_iconcache_dirs setting from srcpkgs.

srcpkgs/tracker/template

@@ -10,7 +10,7 @@ libgee-devel libgnome-keyring-devel upower-devel exempi-devel poppler-glib-devel
 libgsf-devel icu-devel>=49 enca-devel libvorbis-devel libflac-devel nautilus-devel
 gnome-panel-devel taglib-devel giflib-devel totem-pl-parser-devel gupnp-dlna-devel
 libexif-devel tiff-devel network-manager-applet-devel sqlite-devel"
-gtk_iconcache_dirs="/usr/share/icons/hicolor"
+
 subpackages="$pkgname-devel libtracker"
 short_desc="Personal search tool and storage system"
 maintainer="Juan RP <xtraeme@gmail.com>"