Remove extra empty line for README.md (#44)

Signed-off-by: utzcoz <utzcoz@outlook.com>

README.md

diff --git a/README.md b/README.md
index f3255d5..3ce0f3a 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,6 @@
 load("@robolectric//bazel:robolectric.bzl", "robolectric_repositories")
 robolectric_repositories()
 
-
 http_archive(
     name = "rules_jvm_external",
     strip_prefix = "rules_jvm_external-4.5",