test: Remove mimic-x* upgrade testing in master

Signed-off-by: David Zafman <dzafman@redhat.com>

diff --git a/qa/suites/upgrade/mimic-x-singleton/mon_election b/qa/suites/upgrade/mimic-x-singleton/mon_election
deleted file mode 120000 (symlink)
index 3f331e6..0000000
--- a/qa/suites/upgrade/mimic-x-singleton/mon_election
+++ /dev/null
@@ -1 +0,0 @@
-.qa/mon_election
\ No newline at end of file

diff --git a/qa/suites/upgrade/mimic-x/parallel/mon_election b/qa/suites/upgrade/mimic-x/parallel/mon_election
deleted file mode 120000 (symlink)
index 3f331e6..0000000
--- a/qa/suites/upgrade/mimic-x/parallel/mon_election
+++ /dev/null
@@ -1 +0,0 @@
-.qa/mon_election
\ No newline at end of file

diff --git a/qa/suites/upgrade/mimic-x/stress-split-erasure-code/mon_election b/qa/suites/upgrade/mimic-x/stress-split-erasure-code/mon_election
deleted file mode 120000 (symlink)
index 3f331e6..0000000
--- a/qa/suites/upgrade/mimic-x/stress-split-erasure-code/mon_election
+++ /dev/null
@@ -1 +0,0 @@
-.qa/mon_election
\ No newline at end of file

diff --git a/qa/suites/upgrade/mimic-x/stress-split/mon_election b/qa/suites/upgrade/mimic-x/stress-split/mon_election
deleted file mode 120000 (symlink)
index 3f331e6..0000000
--- a/qa/suites/upgrade/mimic-x/stress-split/mon_election
+++ /dev/null
@@ -1 +0,0 @@
-.qa/mon_election
\ No newline at end of file