Removed Better-Files integration tests (#1906)

They where only working on very limited platforms (Java 8 on Linux) and even then produced flaky results.

Pull request: #1906

build.sc

@@ -928,12 +928,6 @@ object integration extends MillScalaModule {
             "fd8dc2b41ce70269889320aeabf8614fe1e8fbcb",
             T.dest / "jawn"
           ),
-        "MILL_BETTERFILES_REPO" ->
-          shared.downloadTestRepo(
-            "pathikrit/better-files",
-            "ba74ae9ef784dcf37f1b22c3990037a4fcc6b5f8",
-            T.dest / "better-files"
-          ),
         "MILL_AMMONITE_REPO" ->
           shared.downloadTestRepo(
             "lihaoyi/ammonite",

docs/antora/modules/ROOT/pages/Common_Project_Layouts.adoc

@@ -380,15 +380,6 @@ integration tests and examples:
 A small single-module cross-build, with few sources, minimal dependencies, and
 wired up for publishing to Maven Central.
 
-=== Better-Files
-
-* {mill-github-url}/blob/main/integration/thirdparty/local/resources/better-files/build.sc#L1[Mill Build]
-
-A collection of small modules compiled for a single Scala version.
-
-Also demonstrates how to define shared configuration in a `trait`, enable Scala
-compiler flags, and download artifacts as part of the build.
-
 === Jawn
 
 * {mill-github-url}/blob/main/integration/thirdparty/local/resources/jawn/build.sc#L1[Mill Build]

integration/thirdparty/forked/src/Tests.scala

@@ -3,7 +3,6 @@ package forked
 
 object AcyclicTests extends AcyclicTests(fork = true)
 object AmmoniteTests extends AmmoniteTests(fork = true)
-object BetterFilesTests extends BetterFilesTests(fork = true)
 object JawnTests extends JawnTests(fork = true)
 object UpickleTests extends UpickleTests(fork = true)
 object CaffeineTests extends CaffeineTests(fork = true)

integration/thirdparty/local/src/local/Tests.scala

@@ -3,7 +3,6 @@ package local
 
 object AcyclicTests extends AcyclicTests(fork = false)
 object AmmoniteTests extends AmmoniteTests(fork = false)
-object BetterFilesTests extends BetterFilesTests(fork = false)
 object JawnTests extends JawnTests(fork = false)
 object UpickleTests extends UpickleTests(fork = false)
 object CaffeineTests extends CaffeineTests(fork = false)