Deduplicate CompilationTests.sources

Author: nicolasstucki

compiler/test/dotty/tools/dotc/CompilationTests.scala

@@ -228,13 +228,6 @@ class CompilationTests extends ParallelTesting {
       compileDir("../library/src",
         allowDeepSubtypes.and("-Ycheck-reentrant", "-strict", "-priorityclasspath", defaultOutputDir))
 
-    def sources(paths: JStream[Path], excludedFiles: List[String] = Nil): List[String] =
-      paths.iterator().asScala
-        .filter(path =>
-          (path.toString.endsWith(".scala") || path.toString.endsWith(".java"))
-            && !excludedFiles.contains(path.getFileName.toString))
-        .map(_.toString).toList
-
     val compilerDir = Paths.get("../compiler/src")
     val compilerSources = sources(Files.walk(compilerDir))