Revert "always buffer (again)"

This reverts commit 9ffbead73d.

web3_proxy/src/jsonrpc/response.rs

@@ -257,8 +257,6 @@ where
         nbytes: u64,
         web3_request: &Arc<ValidatedRequest>,
     ) -> Web3ProxyResult<SingleResponse<T>> {
-        return Ok(Self::from_bytes(response.bytes().await?)?);
-        /*
         match response.content_length() {
             // short
             Some(len) if len <= nbytes => Ok(Self::from_bytes(response.bytes().await?)?),
@@ -294,7 +292,6 @@ where
                 }))
             }
         }
-        */
     }
 
     fn from_bytes(buf: Bytes) -> Result<Self, serde_json::Error> {