remove unused type params

internal/util-complete/src/test/scala/sbt/complete/FileExamplesTest.scala

@@ -58,7 +58,7 @@ class FileExamplesTest extends UnitSpec {
     }
   }
 
-  def withDirectoryStructure[A](withCompletionPrefix: String = "")(
+  def withDirectoryStructure(withCompletionPrefix: String = "")(
       thunk: DirectoryStructure => Assertion
   ): Assertion = {
     IO.withTemporaryDirectory { tempDir =>

lm-core/src/main/scala/sbt/internal/librarymanagement/SemanticSelectorExtra.scala

@@ -209,7 +209,7 @@ private[librarymanagement] abstract class SemComparatorFunctions {
       case _ => throw new IllegalArgumentException(s"Invalid comparator: $comparator")
     }
   }
-  private def splitOn[A](s: String, sep: Char): Vector[String] =
+  private def splitOn(s: String, sep: Char): Vector[String] =
     if (s eq null) Vector()
     else s.split(sep).filterNot(_ == "").toVector
   private def splitDash(s: String) = splitOn(s, '-')

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

@@ -58,7 +58,7 @@ object VersionNumber {
   def unapply(s: String): Option[(Seq[Long], Seq[String], Seq[String])] = {
 
     // null safe, empty string safe
-    def splitOn[A](s: String, sep: Char): Vector[String] =
+    def splitOn(s: String, sep: Char): Vector[String] =
       if (s eq null) Vector()
       else s.split(sep).filterNot(_ == "").toVector
 

main/src/main/scala/sbt/internal/SettingCompletions.scala

@@ -356,7 +356,7 @@ private[sbt] object SettingCompletions {
    * Returns a string representation of the underlying type T for a `key` representing a `Setting[T]`, `Task[T]`, or `InputTask[T]`.
    * This string representation is currently a cleaned up toString of the underlying ClassTag.
    */
-  def keyTypeString[T](key: AttributeKey[?]): String =
+  def keyTypeString(key: AttributeKey[?]): String =
     complete.TypeString.cleanup(key.tag.typeArg.toString)
 
   /** True if the `key` represents a setting or task that may be appended using an assignment method such as `+=`. */

tasks-standard/src/main/scala/sbt/std/TaskExtra.scala

@@ -308,6 +308,6 @@ object TaskExtra extends TaskExtra {
 
   // The "taskDefinitionKey" is used, at least, by the ".previous" functionality.
   // But apparently it *cannot* survive a task map/flatMap/etc. See actions/depends-on.
-  private[sbt] def newAttributes[A](attributes: AttributeMap): AttributeMap =
+  private[sbt] def newAttributes(attributes: AttributeMap): AttributeMap =
     AttributeMap(attributes.entries.filter(_.key.label != "taskDefinitionKey"))
 }

tasks/src/main/scala/sbt/Execute.scala

@@ -28,7 +28,7 @@ private[sbt] object Execute {
   private[sbt] def completed(p: => Unit): Completed = new Completed {
     def process(): Unit = p
   }
-  def noTriggers[TaskId[_]] = new Triggers(Map.empty, Map.empty, identity)
+  def noTriggers = new Triggers(Map.empty, Map.empty, identity)
 
   def config(checkCycles: Boolean, overwriteNode: Incomplete => Boolean = const(false)): Config =
     new Config(checkCycles, overwriteNode)

util-cache/src/main/scala/sbt/util/ActionCache.scala

@@ -120,7 +120,7 @@ object ActionCache:
       case Right(_) => true
       case Left(_)  => false
 
-  inline private[sbt] def findActionResult[I: HashWriter, O](
+  inline private[sbt] def findActionResult[I: HashWriter](
       key: I,
       codeContentHash: Digest,
       extraHash: Digest,