Update build.sbt

Author: pjfanning

build.sbt

@@ -60,7 +60,7 @@ scalaMajorVersion := {
   }
 }
 
-val addJava17Tests: Boolean = compareVersions(System.getProperty("java.version"), "17.0.0") >= 0
+val addJava17Tests: Boolean = System.getProperty("java.specification.version").toDouble >= 17
 
 scalacOptions ++= {
   val additionalSettings =
@@ -167,23 +167,3 @@ enablePlugins(ReproducibleBuildsPlugin)
 enablePlugins(SiteScaladocPlugin)
 //enablePlugins(GhpagesPlugin)
 git.remoteRepo := "git@github.com:FasterXML/jackson-module-scala.git"
-
-def compareVersions(version1: String, version2: String): Int = {
-  var comparisonResult = 0
-  val version1Splits = version1.split("\\.")
-  val version2Splits = version2.split("\\.")
-  val maxLengthOfVersionSplits = Math.max(version1Splits.length, version2Splits.length)
-  var i = 0
-  while (comparisonResult == 0 && i < maxLengthOfVersionSplits) {
-    val v1 = if (i < version1Splits.length) version1Splits(i).toInt
-    else 0
-    val v2 = if (i < version2Splits.length) version2Splits(i).toInt
-    else 0
-    val compare = v1.compareTo(v2)
-    if (compare != 0) {
-      comparisonResult = compare
-    }
-    i += 1
-  }
-  comparisonResult
-}