Remove patch

Author: timsaucer

examples/datafusion-ffi-example/Cargo.toml

@@ -34,8 +34,3 @@ pyo3-build-config = "0.23"
 [lib]
 name = "datafusion_ffi_example"
 crate-type = ["cdylib", "rlib"]
-
-# TODO remove before merging to main
-[patch.crates-io]
-datafusion = { git = "https://github.com/apache/datafusion", rev = "33a32d4382bee7e3c705d0f55d05c24a115a2f98" }
-datafusion-ffi = { git = "https://github.com/apache/datafusion", rev = "33a32d4382bee7e3c705d0f55d05c24a115a2f98" }