Prevent stub inclusion when building shared objects (bp #10875) (#10879)

* Prevent stub inclusion when building shared objects (#10875)

(cherry picked from commit 52526a9bc2)

# Conflicts:
#	programs/bpf/rust/128bit/src/lib.rs
#	programs/bpf/rust/alloc/src/lib.rs
#	programs/bpf/rust/dep_crate/src/lib.rs
#	programs/bpf/rust/invoke/src/lib.rs
#	programs/bpf/rust/invoked/src/lib.rs
#	programs/bpf/rust/iter/src/lib.rs
#	programs/bpf/rust/many_args/src/lib.rs
#	programs/bpf/rust/many_args_dep/src/lib.rs
#	programs/bpf/rust/noop/src/lib.rs
#	programs/bpf/rust/param_passing/src/lib.rs
#	programs/bpf/rust/param_passing_dep/src/lib.rs
#	sdk/bpf/rust/test/src/lib.rs

* nudge

Co-authored-by: Jack May <jack@solana.com>

programs/bpf/rust/param_passing/src/lib.rs

@@ -26,7 +26,7 @@ pub extern "C" fn entrypoint(_input: *mut u8) -> u64 {
 #[cfg(test)]
 mod test {
     use super::*;
-    // Pulls in the stubs required for `info!()`
+    // Pull in syscall stubs when building for non-BPF targets
     solana_sdk::program_stubs!();
 
     #[test]