Unused imports

src/com/md87/charliebravo/commands/GitCommand.java

 import com.md87.charliebravo.Response;
 import java.net.URLEncoder;
 import java.nio.charset.Charset;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;