mk_sdk_repo_xml.sh: remove XML schema validation
The generated SDK XML schema validation used to be part of the Android
tree but has since (about a decade ago!) migrated to the Studio tree.
Remove the Android tree's schema validation: there is no point in
verifying an older schema, and it adds an implicit backwards
compatibility constraint.
This CL only removes the schema validation. Ideally a future CL should
refactor mk_sdk_repo_xml.sh and remove unused files, like
prebuilts/devtools/repository/*.xsd.
Bug: 399958712
Test: m sdk sdk_repo dist
Change-Id: I4d1e06fbf32c86854cf3ab3a9d6574e9cb54c002
1 file changed
