Remove unused test git repos

These were used by tests which now use simple_layout.

Change-Id: I5350fa6103550aae54736f5681c51854667c4b15
diff --git a/tests/fixtures/config/single-tenant/git/org_nonvoting-project/README b/tests/fixtures/config/single-tenant/git/org_nonvoting-project/README
deleted file mode 100644
index 2cc3865..0000000
--- a/tests/fixtures/config/single-tenant/git/org_nonvoting-project/README
+++ /dev/null
@@ -1 +0,0 @@
-dont tread on me
diff --git a/tests/fixtures/config/single-tenant/git/org_noop-project/README b/tests/fixtures/config/single-tenant/git/org_noop-project/README
deleted file mode 100644
index 9daeafb..0000000
--- a/tests/fixtures/config/single-tenant/git/org_noop-project/README
+++ /dev/null
@@ -1 +0,0 @@
-test
diff --git a/tests/fixtures/config/single-tenant/git/org_project3/README b/tests/fixtures/config/single-tenant/git/org_project3/README
deleted file mode 100644
index 234496b..0000000
--- a/tests/fixtures/config/single-tenant/git/org_project3/README
+++ /dev/null
@@ -1 +0,0 @@
-third