Revert 907011e "Try upgrading Phantom"

Well, it didn't work on Node 0.8, and it might also have been meant to
test that Mocha works with old Phantom 1.x, so put it back.

Author: ScottFreeCode

package.json

@@ -294,7 +294,7 @@
     "karma-mocha-clean-reporter": "0.0.1",
     "karma-phantomjs-launcher": "^0.2.3",
     "karma-sauce-launcher": "^1.0.0",
-    "phantomjs": "^2.0.0",
+    "phantomjs": "1.9.8",
     "should": "~8.0.0",
     "through2": "~0.6.5",
     "to-iso-string": "0.0.2",