Make apt sources list more compact

Author: JakubVanek

build/apt.sources.list.debian

@@ -1,11 +1,4 @@
-deb http://ftp.debian.org/debian jessie main contrib non-free
-deb-src http://ftp.debian.org/debian jessie main contrib non-free
-
-deb http://security.debian.org/ jessie/updates main contrib non-free
-deb-src http://security.debian.org/ jessie/updates main contrib non-free
-
-deb http://archive.ev3dev.org/debian jessie main
-deb-src http://archive.ev3dev.org/debian jessie main
-
-deb http://emdebian.org/tools/debian/ jessie main
-deb-src http://emdebian.org/tools/debian/ jessie main
+deb http://ftp.debian.org/debian      jessie         main contrib non-free
+deb http://security.debian.org/       jessie/updates main contrib non-free
+deb http://archive.ev3dev.org/debian  jessie         main
+deb http://emdebian.org/tools/debian/ jessie         main