remove unintended explicit type declaration in code unrelated to this PR

aya/src/bpf.rs

@@ -537,7 +537,7 @@ impl<'a> EbpfLoader<'a> {
                 PinningType::ByName => {
                     // pin maps in /sys/fs/bpf by default to align with libbpf
                     // behavior https://github.com/libbpf/libbpf/blob/v1.2.2/src/libbpf.c#L2161.
-                    let path: &Path = map_pin_path
+                    let path = map_pin_path
                         .as_deref()
                         .unwrap_or_else(|| Path::new("/sys/fs/bpf"));