Revert "Add cargo fmt to travis build config"

This reverts commit b3fada1.

Author: mbrubeck

.travis.yml

@@ -19,26 +19,19 @@ matrix:
       env: DO_FUZZ=true
     - rust: stable
       env: DO_FUZZ=true
-script:
-  - |
-    if [[ "$TRAVIS_RUST_VERSION" == stable ]]
-    then
-      rustup component add rustfmt
-      cargo fmt --all -- --check
-    fi
-  - |
-    cargo build --verbose &&
-    cargo test --verbose &&
-    cargo test --verbose --features serde &&
-    ([ $TRAVIS_RUST_VERSION != nightly ] || cargo check --verbose --no-default-features) &&
-    ([ $TRAVIS_RUST_VERSION != nightly ] || cargo test --verbose --features union) &&
-    ([ $TRAVIS_RUST_VERSION != nightly ] || cargo test --verbose --all-features) &&
-    ([ $TRAVIS_RUST_VERSION != nightly ] || cargo bench --verbose bench) &&
-    ([ $TRAVIS_RUST_VERSION != nightly ] || bash ./scripts/run_miri.sh) &&
-    if [ "$DO_FUZZ" = true ]
-    then
-    (
-      cd fuzz
-      ./travis-fuzz.sh
-    )
-    fi
+script: |
+  cargo build --verbose &&
+  cargo test --verbose &&
+  cargo test --verbose --features serde &&
+  ([ $TRAVIS_RUST_VERSION != nightly ] || cargo check --verbose --no-default-features) &&
+  ([ $TRAVIS_RUST_VERSION != nightly ] || cargo test --verbose --features union) &&
+  ([ $TRAVIS_RUST_VERSION != nightly ] || cargo test --verbose --all-features) &&
+  ([ $TRAVIS_RUST_VERSION != nightly ] || cargo bench --verbose bench) &&
+  ([ $TRAVIS_RUST_VERSION != nightly ] || bash ./scripts/run_miri.sh) &&
+  if [ "$DO_FUZZ" = true ]
+  then
+  (
+    cd fuzz
+    ./travis-fuzz.sh
+  )
+  fi