Update Maps.scala - corrections to unary '-' using tuple which is deprecated in Scala 2.13.0 #145
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scala> myMap - ("MI", "IA")
^
warning: method - in trait MapOps is deprecated (since 2.13.0): Use -- with an explicit collection
res1: scala.collection.immutable.Map[String,String] = Map(OH -> Ohio, WI -> Wisconsin)
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scala> myMap - ("MI", "IA")
^
warning: method - in trait MapOps is deprecated (since 2.13.0): Use -- with an explicit collection
res1: scala.collection.immutable.Map[String,String] = Map(OH -> Ohio, WI -> Wisconsin)