travis: remove old 1.8

Author: Sergei Voronezhskii

.travis.yml

@@ -70,16 +70,6 @@ deploy:
     on:
       branch: master
       condition: -n "${OS}" && -n "${DIST}" && -n "${PACKAGECLOUD_TOKEN}"
-  - provider: packagecloud
-    username: tarantool
-    repository: "1_8"
-    token: ${PACKAGECLOUD_TOKEN}
-    dist: ${OS}/${DIST}
-    package_glob: build/*.{rpm,deb}
-    skip_cleanup: true
-    on:
-      branch: master
-      condition: -n "${OS}" && -n "${DIST}" && -n "${PACKAGECLOUD_TOKEN}"
 
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