Import upstream v0.16.22, stripped

Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f
Enterprise-only files removed or emptied: 63
Enterprise-only snippets removed: 117 in 50 files
Dangling module declarations removed: 5
Cargo edits turning enterprise off: 14
Verification: clean
Enterprise feature gates left for rebuilt features: 19 in 18 files

Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.

crates/dav-proto/resources/responses/012.xml

@@ -0,0 +1,12 @@
+   <D:error xmlns:D="DAV:">
+     <D:need-privileges>
+       <D:resource>
+         <D:href>/a</D:href>
+         <D:privilege><D:unbind/></D:privilege>
+       </D:resource>
+       <D:resource>
+         <D:href>/c</D:href>
+         <D:privilege><D:bind/></D:privilege>
+       </D:resource>
+     </D:need-privileges>
+   </D:error>