Remove redundant code in Mill build configuration (#3713)

Author: Gedochao

build.mill.scala

@@ -13,7 +13,6 @@ import settings.{
   CliLaunchers,
   FormatNativeImageConf,
   HasTests,
-  Licenses,
   LocalRepo,
   PublishLocalNoFluff,
   ScalaCliCrossSbtModule,
@@ -25,13 +24,12 @@ import settings.{
   projectFileName,
   workspaceDirName
 }
-import build.project.deps
 import deps.customRepositories
 import deps.alpineVersion
 import build.project.website
 import coursier.Repository
 
-import java.io.{File, InputStream}
+import java.io.File
 import java.net.URL
 import java.nio.charset.Charset
 import java.util.Locale
@@ -43,10 +41,8 @@ import scalalib.{publish => _, _}
 import mill.contrib.bloop.Bloop
 import mill.testrunner.TestResult
 import os.{CommandResult, Path}
-import upickle.default.read
 
 import _root_.scala.util.{Properties, Using}
-import _root_.scala.annotation.unused
 
 // Tell mill modules are under modules/
 implicit def millModuleBasePath: define.Ctx.BasePath =
@@ -329,9 +325,9 @@ trait BuildMacros extends ScalaCliCrossSbtModule
       val base          = Task.workspace / "modules" / "build-macros" / "src"
       val negativeTests = Seq(
         "MismatchedLeft.scala" -> Seq(
-          "Found\\: +EE1".r,
-          "Found\\: +EE2".r,
-          "Required\\: +E2".r
+          "Found: +EE1".r,
+          "Found: +EE2".r,
+          "Required: +E2".r
         )
       )
 
@@ -906,7 +902,7 @@ trait Cli extends CrossSbtModule with ProtoBuildModule with CliLaunchers
       (
         "https://raw.githubusercontent.com/scala-cli/default-workflow/main/.github/workflows/ci.yml",
         os.sub / "workflows" / "default.yml",
-        transformWorkflow _
+        transformWorkflow
       ),
       (
         "https://raw.githubusercontent.com/scala-cli/default-workflow/main/.gitignore",

project/deps/package.mill.scala

@@ -2,8 +2,6 @@ package build.project.deps
 import mill._
 import scalalib._
 
-import scala.annotation.unused
-
 object Cli {
   def runnerLegacyVersion = "1.7.1" // last runner version to support pre-LTS Scala 3 versions
 }
@@ -32,7 +30,6 @@ object Scala {
   val allScala3           = Seq(scala3Lts, scala3Next, scala3NextAnnounced, scala3NextRc).distinct
   val all                 = (allScala2 ++ allScala3 ++ defaults).distinct
   val scala3MainVersions  = (defaults ++ allScala3).distinct
-  val mainVersions        = (Seq(scala213) ++ scala3MainVersions).distinct
   val runnerScalaVersions = runnerScala3 +: allScala2
   val testRunnerScalaVersions = (runnerScalaVersions ++ allScala3).distinct
 
@@ -80,22 +77,6 @@ object Scala {
   def maxAmmoniteScala3LtsVersion                   = "3.3.5"
   lazy val listMaxAmmoniteScalaVersion: Seq[String] =
     Seq(maxAmmoniteScala212Version, maxAmmoniteScala213Version, maxAmmoniteScala3Version)
-  lazy val listAllAmmonite: Seq[String] = {
-    import coursier.core.Version
-    val max212 = Version(maxAmmoniteScala212Version)
-    val max213 = Version(maxAmmoniteScala213Version)
-    val max3   = Version(maxAmmoniteScala3Version)
-    listAll.filter { v =>
-      if (v.startsWith("3."))
-        Version(v).compareTo(max3) <= 0
-      else if (v.startsWith("2.13."))
-        Version(v).compareTo(max213) <= 0
-      else if (v.startsWith("2.12."))
-        Version(v).compareTo(max212) <= 0
-      else
-        true
-    }
-  }
 }
 
 object Java {
@@ -135,7 +116,6 @@ object Deps {
     def coursierCli                       = coursierDefault
     def coursierM1Cli                     = coursierDefault
     def jmh                               = "1.37"
-    def jsoniterScala                     = "2.23.2"
     def jsoniterScalaJava8                = "2.13.5.2"
     def jsoup                             = "1.20.1"
     def scalaMeta                         = "4.13.6"