Revert "Light Calculation using JDK Incubator Vector": Vectorising

yields poorer performance

This reverts commit b47549d846.

src/module-info.java

@@ -4,7 +4,6 @@ module Terrarum {
     requires java.desktop;
     requires java.logging;
     requires jdk.unsupported; // sun.misc.Unsafe
-    requires jdk.incubator.vector;
 
     // kotlin
     requires kotlin.stdlib;