chore: remove npm @sencha:registry

Author: zdm

.npmrc

@@ -4,4 +4,3 @@ package-lock = false
 @softvisio:registry   = https://npm.pkg.github.com/
 @zdm:registry         = https://npm.pkg.github.com/
 @zerocluster:registry = https://npm.pkg.github.com/
-; @sencha:registry      = https://npm.sencha.com/