Remove atom_packages table from software inventory query (#15195)

Part of #15135

This needs to be removed ASAP because software inventory queries will
start failing when the table is removed from osquery and the agent
updates to that new version.

# Checklist for submitter

If some of the following don't apply, delete the relevant line.

<!-- Note that API documentation changes are now addressed by the
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- [x] Changes file added for user-visible changes in `changes/` or
`orbit/changes/`.
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changes/15135-remove-atom-packages

@@ -0,0 +1 @@
+* Stop reporting Atom editor packages in software inventory. The Atom editor is retired and the relevant tables are being removed from osquery.

server/service/osquery_utils/queries.go

@@ -715,16 +715,6 @@ SELECT
   path AS installed_path
 FROM cached_users CROSS JOIN safari_extensions USING (uid)
 UNION
-SELECT
-  name AS name,
-  version AS version,
-  'Package (Atom)' AS type,
-  '' AS bundle_identifier,
-  'atom_packages' AS source,
-  0 AS last_opened_at,
-  path AS installed_path
-FROM cached_users CROSS JOIN atom_packages USING (uid)
-UNION
 SELECT
   name AS name,
   version AS version,
@@ -816,17 +806,6 @@ SELECT
   path AS installed_path
 FROM cached_users CROSS JOIN firefox_addons USING (uid)
 UNION
-SELECT
-  name AS name,
-  version AS version,
-  'Package (Atom)' AS type,
-  'atom_packages' AS source,
-  '' AS release,
-  '' AS vendor,
-  '' AS arch,
-  path AS installed_path
-FROM cached_users CROSS JOIN atom_packages USING (uid)
-UNION
 SELECT
   name AS name,
   version AS version,
@@ -897,15 +876,6 @@ SELECT
   '' AS vendor,
   path AS installed_path
 FROM chocolatey_packages
-UNION
-SELECT
-  name AS name,
-  version AS version,
-  'Package (Atom)' AS type,
-  'atom_packages' AS source,
-  '' AS vendor,
-  path AS installed_path
-FROM cached_users CROSS JOIN atom_packages USING (uid);
 `),
 	Platforms:        []string{"windows"},
 	DirectIngestFunc: directIngestSoftware,