Rename location shader classes

And remove the now unneeded NAMESPACE variable

tasks/glslunit.js

@@ -62,11 +62,6 @@ function main(argv) {
   let m, shortName;
   lines.forEach(function(line, i) {
     if (line.indexOf('//!') == 0) {
-      m = line.match(/\/\/!\s+NAMESPACE=(\S+)\s*$/);
-      if (m) {
-        json.namespace = m[1];
-        return;
-      }
       m = line.match(/\/\/!\s+MODULE=(\S+)\s*$/);
       if (m) {
         json.module = m[1];