chore: remove secret scanner (microsoft#2048)

Author: mhamilton723

core/src/test/scala/com/microsoft/azure/synapse/ml/Secrets.scala

@@ -71,5 +71,4 @@ object Secrets {
   lazy val ServiceConnectionSecret: String = getSecret("service-connection-secret")
   lazy val ServicePrincipalClientId: String = getSecret("service-principal-clientId")
 
-  lazy val SecretRegexpFile: String = getSecret("secret-regexp-file")
 }

src/test/scala/com/microsoft/azure/synapse/ml/core/test/fuzzing/FuzzingTest.scala

@@ -382,56 +382,6 @@ class FuzzingTest extends TestBase {
     }
   }
 
-  test("Scan codebase for secrets") {
-    val excludedFiles = List(
-      ".png",
-      ".jpg",
-      ".jpeg")
-    val excludedDirs = List(
-      ".git",
-      ".idea",
-      "target",
-      ".docusaurus",
-      "node_modules",
-      s"website${File.separator}build"
-    )
-
-    val regexps: List[Regex] = using(Source.fromURL(Secrets.SecretRegexpFile)) { s =>
-      s.getLines().toList.map(_.r)
-    }.get
-
-    val allFiles = Files.walk(BuildInfo.baseDirectory.getParentFile.toPath)
-      .iterator().asScala.map(_.toFile)
-      .filterNot(f => excludedDirs.exists(dir => f.toString.contains(dir)))
-      .toList
-
-    val nameIssues = allFiles.flatMap {
-      case f if regexps.flatMap(_.findFirstMatchIn(f.toString)).nonEmpty =>
-        Some(s"Bad file name: ${f.toString}")
-      case _ =>
-        None
-    }
-    val contentsIssue = allFiles.filter(_.isFile)
-      .filterNot(f => excludedFiles.exists(end => f.toString.endsWith(end)))
-      .flatMap { f =>
-        println(f)
-        try {
-          val lines = using(Source.fromFile(f)) { s => s.getLines().toList }.get
-          lines.zipWithIndex.flatMap { case (l, i) =>
-            if (regexps.flatMap(_.findFirstMatchIn(l)).nonEmpty) {
-              Some(s"Line $i of file ${f.toString} contains secrets")
-            } else {
-              None
-            }
-          }
-        } catch {
-          case _: MalformedInputException => List()
-        }
-      }
-    val allIssues = nameIssues ++ contentsIssue
-    assert(allIssues.isEmpty, allIssues.mkString("\n"))
-  }
-
   private def assertOrLog(condition: Boolean, hint: String = "",
                           disableFailure: Boolean = disableFailure): Unit = {
     if (disableFailure && !condition) println(hint)