fix clippy suggestions

src/neurons/leaky.rs

@@ -14,7 +14,7 @@ pub struct LIFConfig {
 }
 
 impl LIFConfig {
-    pub fn init<B: Backend, const D: usize>(&self) -> LIF {
+    pub fn init<const D: usize>(&self) -> LIF {
         LIF {
             beta: self.beta,
             threshold: self.threshold,
@@ -24,6 +24,7 @@ impl LIFConfig {
 }
 
 // TODO: tensor cloning and its lifecycle is probably wrong, may cause comp graph to drop. Refer burn example to find proper tensor handling..
+#[allow(clippy::upper_case_acronyms)]
 #[derive(Debug, Module, Clone)]
 pub struct LIF {
     beta: f32,