Fix errors for merge request

Signed-off-by: Andrea Calabrese <andrea.calabrese@amarulasolutions.com>

Author: Andrea Calabrese

src/uucore/src/lib/features/encoding.rs

@@ -552,36 +552,12 @@ impl SupportsFastDecodeAndEncode for Base32Wrapper {
         self.inner.valid_decoding_multiple()
     }
 
-    fn pad_remainder(&self, remainder: &[u8]) -> Option<PadResult> {
-        if remainder.is_empty() || remainder.contains(&b'=') {
-            return None;
-        }
-
-        const VALID_REMAINDERS: [usize; 4] = [2, 4, 5, 7];
-
-        let mut len = remainder.len();
-        let mut trimmed = false;
-
-        while len > 0 && !VALID_REMAINDERS.contains(&len) {
-            len -= 1;
-            trimmed = true;
-        }
-
-        if len == 0 {
-            return None;
-        }
-
-        let mut padded = remainder[..len].to_vec();
-        let missing = self.valid_decoding_multiple() - padded.len();
-        padded.extend(std::iter::repeat_n(b'=', missing));
-
-        Some(PadResult {
-            chunk: padded,
-            had_invalid_tail: trimmed,
-        })
+    fn should_buffer_decoding(&self) -> bool {
+        true
     }
 
-    fn supports_partial_decode(&self) -> bool {
+    fn should_buffer_encoding(&self) -> bool {
         true
     }
+
 }