removed debian 8, which is no longer supported

runon.conf

@@ -43,19 +43,6 @@ dockerfile =
 pkginstall = RUN dnf install {} -y
 packages = xterm vim-X11 git python3 bash-completion
 
-[debian8]
-dockerfile =
-	  FROM debian:8
-    ARG DEBIAN_FRONTEND=noninteractive
-    RUN apt-get update
-    RUN apt-get -y install apt-utils
-    RUN apt-get -y upgrade
-    RUN apt-get -y install sudo
-    RUN echo "Defaults lecture = never" >> /etc/sudoers
-    RUN echo "ALL ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
-pkginstall = RUN apt-get -y install {}
-packages = ksh csh xterm x11-apps build-essential git libgtk2.0 libgtk-3-0 bash-completion tcl environment-modules
-
 [debian9]
 dockerfile =
 	  FROM debian:9