Don't upload target/release in integration_build

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Author: flip1995

.github/workflows/clippy_bors.yml

@@ -209,6 +209,7 @@ jobs:
         DIR=$CARGO_TARGET_DIR/debug
         find $DIR ! -executable -o -type d ! -path $DIR | xargs rm -rf
         mv $DIR/integration-* $DIR/integration
+        rm -rf $CARGO_TARGET_DIR/release
 
     - name: Upload Binaries
       uses: actions/upload-artifact@v1