remove default feature

Author: cctdaniel

program/rust/Cargo.toml

@@ -43,7 +43,6 @@ lazy_static = "1.4.0"
 # to cargo-build-bpf at that point - we manually capture them at
 # compile-time and pass on to the child process.
 [features]
-default = ["pythnet"]
 check = [] # Skips make build in build.rs, use with cargo-clippy and cargo-check
 debug = []
 library = []