Merge #174

174: Temporarily disable clippy r=Dylan-DPC a=kinggoesgaming

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**I'm submitting a ...**
  - [ ] bug fix
  - [ ] feature enhancement
  - [ ] deprecation or removal
  - [ ] refactor

# Description
Removed running clippy tests until further notice.

# Motivation
Currently our builds break every night with caching enabled on nightly channel where clippy tests are done.

# Tests
N/A

# Related Issue(s)
N/A

.travis.yml

@@ -31,11 +31,11 @@ matrix:
       cache: cargo
       before_script:
         - rustup component add rustfmt-preview
-        - ( cargo install clippy || true )
+#        - ( cargo install clippy || true )
       script:
         - cargo fmt --all -- --write-mode=diff
         - cargo test
-        - cargo clippy
+#        - cargo clippy
 
 script:
   - cargo test --features "$FEATURES" $NDF