Remove unused variable

Author: Bartosz Litwiniuk

backtrace-library/src/androidTest/java/backtraceio/library/breadcrumbs/BacktraceBreadcrumbsTest.java

@@ -30,7 +30,6 @@
 public class BacktraceBreadcrumbsTest {
     public Context context;
     public BacktraceBreadcrumbs backtraceBreadcrumbs;
-    public String absolutePath;
 
     static {
         System.loadLibrary("backtrace-native");