Removed fixed dependencies

packages/usage/tool/drone.sh

Index: packages/usage/tool/drone.sh
diff --git a/packages/usage/tool/travis.sh b/packages/usage/tool/drone.sh
similarity index 61%
copy from packages/usage/tool/travis.sh
copy to packages/usage/tool/drone.sh
index a3f3082192c8fc8f62b93d74f6001573da0f702b..ff46f4fcc4ecbcb1935e49732b18ec2edb28dda9 100755
--- a/packages/usage/tool/travis.sh
+++ b/packages/usage/tool/drone.sh
@@ -7,25 +7,21 @@
 # Fast fail the script on failures.
 set -e
 
+# Display installed versions.
+dart --version
+
+# Get our packages.
+pub get
+
 # Verify that the libraries are error free.
 dartanalyzer --fatal-warnings \
-  example/example.dart \
-  example/ga.dart \
   lib/usage.dart \
+  lib/usage_html.dart \
+  lib/usage_io.dart \
   test/all.dart
 
 # Run the tests.
-dart -c test/all.dart
+dart test/all.dart
 
 # Measure the size of the compiled JS, for the dart:html version of the library.
 dart tool/grind.dart build
-
-# Install dart_coveralls; gather and send coverage data.
-if [ "$REPO_TOKEN" ]; then
-  pub global activate dart_coveralls
-  pub global run dart_coveralls report \
-    --token $REPO_TOKEN \
-    --retry 2 \
-    --exclude-test-files \
-    test/all.dart
-fi