Only permit taking buffered lints inside lint internals

Author: Mark-Simulacrum

src/librustc/lint/mod.rs

@@ -643,7 +643,7 @@ impl LintBuffer {
         }
     }
 
-    pub fn take(&mut self, id: ast::NodeId) -> Vec<BufferedEarlyLint> {
+    fn take(&mut self, id: ast::NodeId) -> Vec<BufferedEarlyLint> {
         self.map.remove(&id).unwrap_or_default()
     }
 }