Remove goog.isDef from colormatrix.js (-12 B)

src/ol/ol.js

@@ -240,3 +240,13 @@ ol.WEBGL_EXTENSIONS; // value is set in `ol.has`
 ol.inherits =
     goog.inherits;
 // note that the newline above is necessary to satisfy the linter
+
+
+/**
+ * Determine if a value is defined.
+ * @param {?} value The value to test.
+ * @return {boolean} The value is defined.
+ */
+ol.isDef = function(value) {
+  return value !== undefined;
+};