ansible: remove debian7 (#2608)

This is no longer in the CI so it should be alright to remove it.

Refs: #2607

Co-authored-by: Richard Lau <rlau@redhat.com>

ansible/roles/baselayout/vars/main.yml

@@ -4,7 +4,7 @@
 # variables shared in baselayout
 #
 
-git_no_binpkg: ['debian7']
+git_no_binpkg: [ ]
 git_version: 2.10.2
 
 ssh_config: /etc/ssh/sshd_config
@@ -56,10 +56,6 @@ packages: {
     'autoconf,automake,ca-certificates-mozilla,ccache,cmake,coreutils-gnu,gcc,gcc-cplusplus,gcc-cpp,git,libstdcplusplus-devel,m4-gnu,openssl-devel,python3,python3-pip,sed-gnu,zlib-devel',
   ],
 
-  debian7: [
-    'gcc-4.8,g++-4.8,sudo',
-  ],
-
   debian8: [
     'ccache,git,gcc-4.9,g++-4.9,libfontconfig1,binutils-2.26,sudo',
   ],