remove last change badge

Author: mbjoseph

README.Rmd

@@ -5,7 +5,6 @@ output: github_document
 [![Build Status](https://travis-ci.org/earthlab/smapr.svg?branch=master)](https://travis-ci.org/earthlab/smapr) 
 [![codecov](https://codecov.io/gh/earthlab/smapr/branch/master/graph/badge.svg)](https://codecov.io/gh/earthlab/smapr)
 [![CRAN_Status_Badge](http://www.r-pkg.org/badges/version/smapr)](https://cran.r-project.org/package=smapr)
-[![Last-changedate](https://img.shields.io/badge/last%20change-`r gsub('-', '--', Sys.Date())`-brightgreen.svg)](/commits/master)
 
 ```{r, echo = FALSE}
 knitr::opts_chunk$set(

README.md

@@ -1,7 +1,7 @@
 smapr
 ================
 
-[![Build Status](https://travis-ci.org/earthlab/smapr.svg?branch=master)](https://travis-ci.org/earthlab/smapr) [![codecov](https://codecov.io/gh/earthlab/smapr/branch/master/graph/badge.svg)](https://codecov.io/gh/earthlab/smapr) [![CRAN\_Status\_Badge](http://www.r-pkg.org/badges/version/smapr)](https://cran.r-project.org/package=smapr) [![Last-changedate](https://img.shields.io/badge/last%20change-2017--10--20-brightgreen.svg)](/commits/master)
+[![Build Status](https://travis-ci.org/earthlab/smapr.svg?branch=master)](https://travis-ci.org/earthlab/smapr) [![codecov](https://codecov.io/gh/earthlab/smapr/branch/master/graph/badge.svg)](https://codecov.io/gh/earthlab/smapr) [![CRAN\_Status\_Badge](http://www.r-pkg.org/badges/version/smapr)](https://cran.r-project.org/package=smapr)
 
 An R package for acquisition and processing of [NASA (Soil Moisture Active-Passive) SMAP data](http://smap.jpl.nasa.gov/)