ipmi-exporter: Ignore sensor ID 167 (Entity Presence) (#1158)

Bad state on Dell PowerEdge R730's.
diff --git a/roles/ipmi_exporter/defaults/main.yml b/roles/ipmi_exporter/defaults/main.yml
index d9abdec..3b5e776 100644
--- a/roles/ipmi_exporter/defaults/main.yml
+++ b/roles/ipmi_exporter/defaults/main.yml
@@ -33,6 +33,7 @@
         - 89 # BP Presence (Dell PowerEdge servers)
         - 90 # BP Presence (Dell PowerEdge servers)
         - 164
+        - 167 # Entity Presence (Dell PowerEdge servers)
         - 168
         - 178 # TPM Presence (Dell PowerEdge servers)
         - 180 # TPM Presence (Dell PowerEdge servers)