TBR: revert updating prova which updated fs-extra dependency becuase old one broke with new version of rimraf"

This reverts commit b2aff2f037289bf96b08337fc655782e26ea9eb0.

Change-Id: I897809fcd162049e662857e1c7b4309995f46377
diff --git a/package.json b/package.json
index 6b0a17b..1709f2b 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "browserify": "^4.2.3",
     "exorcist": "^0.1.6",
     "jshint": "^2.6.0",
-    "prova": "git+https://github.com/aghassemi/prova#0.0.3",
+    "prova": "git+https://github.com/aghassemi/prova#0.0.2",
     "proxyquireify": "^0.5.0",
     "rework": "^1.0.1",
     "rework-import": "^1.2.1",