Removing deprecated targets from the travis build

* root cause: cross-rs/cross#306

Author: kurojishi

.travis.yml

@@ -18,8 +18,8 @@ matrix:
     - env: TARGET=x86_64-unknown-linux-gnu
     - env: TARGET=x86_64-unknown-linux-musl
     - env: TARGET=i686-unknown-linux-gnu DISABLE_TESTS=1
-    - env: TARGET=i686-unknown-freebsd DISABLE_TESTS=1
-    - env: TARGET=x86_64-unknown-freebsd DISABLE_TESTS=1
+    # - env: TARGET=i686-unknown-freebsd DISABLE_TESTS=1
+    # - env: TARGET=x86_64-unknown-freebsd DISABLE_TESTS=1
     - env: TARGET=aarch64-unknown-linux-gnu DISABLE_TESTS=1
     - env: TARGET=armv7-unknown-linux-gnueabihf DISABLE_TESTS=1
     - env: TARGET=mips-unknown-linux-gnu DISABLE_TESTS=1