Remove unnecessary code (#8843)

internal/util-logging/src/main/scala/sbt/internal/util/EscHelpers.scala

@@ -237,7 +237,6 @@ object EscHelpers {
         index += 1
         limit = math.max(limit, index)
     }
-    (res, limit)
     new String(res, 0, limit)
   }
 

lm-ivy/src/main/scala/sbt/internal/librarymanagement/IvyScalaUtil.scala

@@ -4,7 +4,6 @@
 package sbt.internal.librarymanagement
 
 import java.util.Collections.emptyMap
-import scala.collection.mutable.HashSet
 
 import org.apache.ivy.core.module.descriptor.*
 import org.apache.ivy.core.module.id.{ ArtifactId, ModuleId, ModuleRevisionId }
@@ -186,7 +185,6 @@ object IvyScalaUtil {
       if (configurations.isEmpty) names
       else {
         val configSet = configurationSet(configurations)
-        configSet.intersect(HashSet(names*))
         configSet.toArray
       }
     }