openpgp: Fix PacketParser::drop_eof to use O(1) memory.

  - The default implementation of drop_eof uses O(1) memory; the
    specialized version uses O(n).

  - Prefer the default implementation.

1 files changed, 0 insertions, 4 deletions

diff --git a/openpgp/src/parse.rs b/openpgp/src/parse.rs
index 3be0e8a4..8403fe86 100644
--- a/openpgp/src/parse.rs
+++ b/openpgp/src/parse.rs
@@ -3950,10 +3950,6 @@ impl<'a> BufferedReader<Cookie> for PacketParser<'a> {
         Ok(v)
     }
 
-    fn drop_eof(&mut self) -> io::Result<bool> {
-        Ok(! self.steal_eof()?.is_empty())
-    }
-
     fn get_mut(&mut self) -> Option<&mut dyn BufferedReader<Cookie>> {
         None
     }