Removed rhel* configurations with a goal that they will be covered in the Octo lab

and won't be used by vps runs in Sepia lab

Signed-off-by: Yuri Weinstein <yweinste@redhat.com>
(cherry picked from commit adfa1ee393c0ea0a36c0dfb8d7fda1a82f4b29ea)

diff --git a/distros/supported/rhel_6.4.yaml b/distros/supported/rhel_6.4.yaml
deleted file mode 120000 (symlink)
index c082244..0000000
--- a/distros/supported/rhel_6.4.yaml
+++ /dev/null
@@ -1 +0,0 @@
-../all/rhel_6.4.yaml
\ No newline at end of file

diff --git a/distros/supported/rhel_6.5.yaml b/distros/supported/rhel_6.5.yaml
deleted file mode 120000 (symlink)
index f0d37b1..0000000
--- a/distros/supported/rhel_6.5.yaml
+++ /dev/null
@@ -1 +0,0 @@
-../all/rhel_6.5.yaml
\ No newline at end of file

diff --git a/distros/supported/rhel_7.0.yaml b/distros/supported/rhel_7.0.yaml
deleted file mode 120000 (symlink)
index da1561e..0000000
--- a/distros/supported/rhel_7.0.yaml
+++ /dev/null
@@ -1 +0,0 @@
-../all/rhel_7.0.yaml
\ No newline at end of file