Remove Explicit Shapes Enablement in Tests

LayoutTests/fast/shapes/parsing/script-tests/parsing-shape-outside.js

 description('Testing parsing of the -webkit-shape-outside property.');
 
-if (window.internals)
-    window.internals.settings.setCSSExclusionsEnabled(true);
-
 // The test functions and globals used here are defined parsing-test-utils.js.
 
 validShapeValues.forEach(function(elt, i, a) {
     var value = (elt instanceof Array) ? elt[0] : elt;
     var expectedValue = (elt instanceof Array) ? elt[1] : elt;
     var computedValue = (elt instanceof Array && elt.length > 2) ? elt[2] : expectedValue;
     testShapeSpecifiedProperty("-webkit-shape-outside", value, expectedValue);
     testShapeComputedProperty("-webkit-shape-outside", value, computedValue);
 });
 
 testLocalURLShapeProperty("-webkit-shape-outside", "url(\'image\')", "url(image)");
 
 invalidShapeValues.forEach(function(value, i, a) {
     testShapePropertyParsingFailure("-webkit-shape-outside", value, "auto")
 });
 
 testShapePropertyParsingFailure("-webkit-shape-outside", "outside-shape", "auto");
 
 applyToEachArglist(
     testNotInheritedShapeProperty,
     [// [property, parentValue, childValue, expectedValue]
      ["-webkit-shape-outside", "auto", "rectangle(10px, 20px, 30px, 40px)", "parent: auto, child: rectangle(10px, 20px, 30px, 40px, 0px, 0px)"],
      ["-webkit-shape-outside", "rectangle(10px, 20px, 30px, 40px)", "initial", "parent: rectangle(10px, 20px, 30px, 40px, 0px, 0px), child: auto"],
      ["-webkit-shape-outside", "rectangle(10px, 20px, 30px, 40px)", "", "parent: rectangle(10px, 20px, 30px, 40px, 0px, 0px), child: auto"],
      ["-webkit-shape-outside", "rectangle(10px, 20px, 30px, 40px)", "inherit", "parent: rectangle(10px, 20px, 30px, 40px, 0px, 0px), child: rectangle(10px, 20px, 30px, 40px, 0px, 0px)"],
      ["-webkit-shape-outside", "", "inherit", "parent: auto, child: auto"],
      ["-webkit-shape-outside", "auto", "inherit", "parent: auto, child: auto"]]
 );