update build-for-deploy command for travis

Author: dylemma

ci/before_deploy.sh

@@ -18,7 +18,7 @@ main() {
     test -f Cargo.lock || cargo generate-lockfile
 
     # TODO Update this to build the artifacts that matter to you
-    cross cargo build --target $TARGET --release -- -C lto
+    cross build --target $TARGET --release
 
     # TODO Update this to package the right artifacts
     cp target/$TARGET/release/codedx-client $stage/