remove unnecessary vararg splice

lm-core/src/main/scala/sbt/librarymanagement/ConfigurationExtra.scala

@@ -64,12 +64,7 @@ object Configurations {
   private[sbt] def defaultConfiguration(mavenStyle: Boolean) =
     if (mavenStyle) Configurations.Compile else Configurations.Default
   private[sbt] def removeDuplicates(configs: Iterable[Configuration]) =
-    Set(
-      scala.collection.mutable
-        .Map(configs.map(config => (config.name, config)).toSeq*)
-        .values
-        .toList*
-    )
+    configs.map(config => (config.name, config)).toMap.values.toSet
 
   /** Returns true if the configuration should be under the influence of scalaVersion. */
   @nowarn

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

@@ -437,7 +437,7 @@ class MakePom(val log: Logger) {
       configurations: Option[Iterable[Configuration]]
   ): Seq[DependencyDescriptor] = {
     val keepConfigurations = IvySbt.getConfigurations(module, configurations)
-    val keepSet: Set[String] = Set(keepConfigurations.toSeq*)
+    val keepSet: Set[String] = keepConfigurations.toSet
     def translate(dependency: DependencyDescriptor) = {
       val keep = dependency.getModuleConfigurations
         .filter((conf: String) => keepSet.contains(conf))

lm-ivy/src/main/scala/sbt/internal/librarymanagement/ivyint/CachedResolutionResolveEngine.scala

@@ -625,7 +625,7 @@ private[sbt] trait CachedResolutionResolveEngine extends ResolveEngine {
       loopLists.toList
     }
     val allModules2: mutable.Map[(String, String), Vector[OrganizationArtifactReport]] =
-      mutable.Map(allModules0.toSeq*)
+      allModules0.to(mutable.Map)
     @tailrec def breakLoops(loops: List[List[(String, String)]]): Unit =
       loops match {
         case Nil => ()

main/src/main/scala/sbt/internal/IncrementalTest.scala

@@ -205,9 +205,8 @@ class ClassStamper(
           //       .get(prodClassName)
           //       .map: analyzed =>
           //         0L // analyzed.??? we need a hash here
-          val xs = SortedSet(
-            (internalDeps union internalJarDeps union externalDeps union classDigests).toSeq*
-          )
+          val xs =
+            (internalDeps union internalJarDeps union externalDeps union classDigests).to(SortedSet)
           if xs.nonEmpty then stamps(className) = xs
           else ()
           xs

main/src/main/scala/sbt/internal/ProjectQuery.scala

@@ -47,7 +47,7 @@ object ProjectQuery:
         .examples("@scalaBinaryVersion=3")
         .?)
       .map { case (proj, params) =>
-        ProjectQuery(proj, Map(params.toSeq*))
+        ProjectQuery(proj, params.toMap)
       }
       .filter(
         (q) => q.projectName.contains("...") || q.params.nonEmpty,

run/src/main/scala/sbt/Fork.scala

@@ -65,7 +65,7 @@ final class Fork(val commandName: String, val runnerClass: Option[String]) {
       if (Fork.shouldUseArgumentsFile(options))
         new JProcessBuilder(executable, Fork.createArgumentsFile(options))
       else
-        new JProcessBuilder(command.toArray*)
+        new JProcessBuilder(command*)
     workingDirectory.foreach(jpb.directory(_))
     environment.foreach { case (k, v) => jpb.environment.put(k, v) }
     if (connectInput) {