codec: remove parameters from travis.yml

trying to get codecov.io to just look at only the coverage.txt file

.travis.yml

@@ -7,5 +7,4 @@ go:
 script:
   - go test -tags "alltests" -run Suite -coverprofile coverage.txt github.com/ugorji/go/codec
 after_success:
-  - bash <(curl -s https://codecov.io/bash) -t d363f760-34c1-4232-8c47-569fe7c02549 -f coverage.txt
-
+  - bash <(curl -s https://codecov.io/bash)