Clean up build (#1926)

photon-docs/build.gradle

@@ -132,29 +132,8 @@ task generateJavaDocs(type: Javadoc) {
     title = "PhotonVision $pubVersion"
     ext.entryPoint = "$destinationDir/index.html"
 
-    if (JavaVersion.current().isJava8Compatible() && project.hasProperty('docWarningsAsErrors')) {
-        // Treat javadoc warnings as errors.
-        //
-        // The second argument '-quiet' is a hack. The one parameter
-        // addStringOption() doesn't work, so we add '-quiet', which is added
-        // anyway by gradle. See https://github.com/gradle/gradle/issues/2354.
-        //
-        // See JDK-8200363 (https://bugs.openjdk.java.net/browse/JDK-8200363)
-        // for information about the nonstandard -Xwerror option. JDK 15+ has
-        // -Werror.
-        options.addStringOption('Xwerror', '-quiet')
-    }
-
-    if (JavaVersion.current().isJava11Compatible()) {
-        if (!JavaVersion.current().isJava12Compatible()) {
-            options.addBooleanOption('-no-module-directories', true)
-        }
-        doLast {
-            // This is a work-around for https://bugs.openjdk.java.net/browse/JDK-8211194. Can be removed once that issue is fixed on JDK's side
-            // Since JDK 11, package-list is missing from javadoc output files and superseded by element-list file, but a lot of external tools still need it
-            // Here we generate this file manually
-            new File(destinationDir, 'package-list').text = new File(destinationDir, 'element-list').text
-        }
+    if (project.hasProperty('docWarningsAsErrors')) {
+        options.addBooleanOption('Werror', true)
     }
 }