[19.0][MIG] attachment_unindex_content: Migration to 19.0.

* Remove superfluous keys in the manifest
* Remove financed migrations by other companies
* Bump manifest version

Author: moylop260

attachment_unindex_content/__manifest__.py

@@ -4,7 +4,7 @@
 {
     "name": "Attachment Unindex Content",
     "summary": "Disable indexing of attachments",
-    "version": "18.0.1.0.0",
+    "version": "19.0.1.0.0",
     "author": "Vauxoo, Odoo Community Association (OCA)",
     "website": "https://github.com/OCA/server-tools",
     "maintainers": [
@@ -15,7 +15,5 @@
     "license": "AGPL-3",
     "category": "Tools",
     "depends": ["base"],
-    "installable": True,
-    "application": False,
     "post_init_hook": "post_init_hook",
 }

attachment_unindex_content/readme/CREDITS.md

@@ -1 +1 @@
-The migration of this module from 16.0 to 18.0 was financially supported by Camptocamp.
+