Rename "Baso Minangkabau" to "Minangkabau"

Addresses downstream issue
https://phabricator.wikimedia.org/T224806

This was already changed in MediaWiki core.

data/langdb.yaml

@@ -356,7 +356,7 @@ languages:
   mhr: [Cyrl, [EU], олык марий]
   mi: [Latn, [PA], Māori]
   mic: [Latn, [AM], "Mi'kmaq"]
-  min: [Latn, [AS], Baso Minangkabau]
+  min: [Latn, [AS], Minangkabau]
   miq: [Latn, [AM], Mískitu]
   mk: [Cyrl, [EU], македонски]
   ml: [Mlym, [AS, ME], മലയാളം]