Remove parsing of jobstats (#2136)

Fixes #2135.

Signed-off-by: Joe Grund <[email protected]>

iml-agent/src/daemon_plugins/snapshots/iml_agent__daemon_plugins__stats__tests__no_job_stats.snap

@@ -0,0 +1,47 @@
+---
+source: iml-agent/src/daemon_plugins/stats.rs
+expression: xs
+---
+[
+    "memused",
+    "memused_max",
+    "lnet_memused",
+    "health_check",
+    "mdt.*.exports.*.uuid",
+    "mgs.*.mgs.stats",
+    "mgs.*.mgs.threads_max",
+    "mgs.*.mgs.threads_min",
+    "mgs.*.mgs.threads_started",
+    "mgs.*.num_exports",
+    "obdfilter.*OST*.stats",
+    "obdfilter.*OST*.brw_stats",
+    "obdfilter.*OST*.filesfree",
+    "obdfilter.*OST*.filestotal",
+    "obdfilter.*OST*.fstype",
+    "obdfilter.*OST*.kbytesavail",
+    "obdfilter.*OST*.kbytesfree",
+    "obdfilter.*OST*.kbytestotal",
+    "obdfilter.*OST*.num_exports",
+    "obdfilter.*OST*.tot_dirty",
+    "obdfilter.*OST*.tot_granted",
+    "obdfilter.*OST*.tot_pending",
+    "ldlm.namespaces.{mdt-,filter-}*.contended_locks",
+    "ldlm.namespaces.{mdt-,filter-}*.contention_seconds",
+    "ldlm.namespaces.{mdt-,filter-}*.ctime_age_limit",
+    "ldlm.namespaces.{mdt-,filter-}*.early_lock_cancel",
+    "ldlm.namespaces.{mdt-,filter-}*.lock_count",
+    "ldlm.namespaces.{mdt-,filter-}*.lock_timeouts",
+    "ldlm.namespaces.{mdt-,filter-}*.lock_unused_count",
+    "ldlm.namespaces.{mdt-,filter-}*.lru_max_age",
+    "ldlm.namespaces.{mdt-,filter-}*.lru_size",
+    "ldlm.namespaces.{mdt-,filter-}*.max_nolock_bytes",
+    "ldlm.namespaces.{mdt-,filter-}*.max_parallel_ast",
+    "ldlm.namespaces.{mdt-,filter-}*.resource_count",
+    "mdt.*.md_stats",
+    "mdt.*MDT*.num_exports",
+    "osd-*.*MDT*.filesfree",
+    "osd-*.*MDT*.filestotal",
+    "osd-*.*MDT*.kbytesavail",
+    "osd-*.*MDT*.kbytesfree",
+    "osd-*.*MDT*.kbytestotal",
+]