Removed apparently unused joda time dependency.
Removed apparently unused joda time dependency.

Note: If this dependency is needed in the future, it should be included with
    compile 'joda-time:joda-time:2.3'

nwalters512/the-blue-alliance-android,the-blue-alliance/the-blue-alliance-android,Zero2848/the-blue-alliance-android,phil-lopreiato/the-blue-alliance-android,1fish2/the-blue-alliance-android,nwalters512/the-blue-alliance-android,phil-lopreiato/the-blue-alliance-android,Adam8234/the-blue-alliance-android,phil-lopreiato/the-blue-alliance-android,Zero2848/the-blue-alliance-android,1fish2/the-blue-alliance-android,the-blue-alliance/the-blue-alliance-android,Adam8234/the-blue-alliance-android,the-blue-alliance/the-blue-alliance-android,nwalters512/the-blue-alliance-android,1fish2/the-blue-alliance-android