Remove deprecated compute microversion config options

Compute min_microversion and max_microversion in group
'compute-feature-enabled' had been deprecated long back
- I29f0cb9962fdaaecf60a886467c4665fe4010353

This commit removes those options from deprecated group.

Change-Id: If96cbad9098d511ec0b031390d19f6756d27de15
Depends-On: I31f83ec70b8803a29a7be765661517d890ffd6f1
diff --git a/releasenotes/notes/remove-deprecated-compute-microversion-config-options-eaee6a7d2f8390a8.yaml b/releasenotes/notes/remove-deprecated-compute-microversion-config-options-eaee6a7d2f8390a8.yaml
new file mode 100644
index 0000000..b1c0c62
--- /dev/null
+++ b/releasenotes/notes/remove-deprecated-compute-microversion-config-options-eaee6a7d2f8390a8.yaml
@@ -0,0 +1,9 @@
+---
+upgrade:
+  - The deprecated compute microversion config options from
+    'compute-feature-enabled' group have been removed. Those config options
+    are available under 'compute' group to configure the min and max
+    microversion for compute service.
+
+    * CONF.compute.min_microversion
+    * CONF.compute.max_microversion