Force to use static rocksdb

Author: Aleksei Sidorov

.travis.yml

@@ -17,26 +17,22 @@ addons:
     sources:
       - sourceline: 'ppa:fsgmhoward/shadowsocks-libev'
       - sourceline: 'ppa:maarten-fonville/protobuf'
-      - sourceline: 'ppa:exonum/rocksdb'
     packages:
       - build-essential
       - libsodium-dev
-      - librocksdb5.17
       - libssl-dev
       - pkg-config
       - protobuf-compiler
       - libprotobuf-dev
   homebrew:
     packages:
       - libsodium
-      - rocksdb
       - pkg-config
       - protobuf
 
 env:
   global:
     - RUST_COMPILER_VERSION=1.41.0
-    - ROCKSDB_LIB_DIR=/usr/lib
     # REPO_TOKEN used for integration with coveralls is encoded here
     - secure: 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