Revert "fix: Return error on non https uri instead of panic (hyperium…

…#838)"

This reverts commit ef6e245.

tonic/src/transport/channel/service/connector.rs

@@ -83,8 +83,6 @@ where
                         } else {
                             Ok(BoxedIo::new(io))
                         };
-                    } else if is_https {
-                        return Err(HttpsUriWithoutTlsSupport(()).into());
                     }
                 }
 
@@ -95,19 +93,3 @@ where
         })
     }
 }
-
-/// Error returned when trying to connect to an HTTPS endpoint without TLS enabled.
-#[cfg(feature = "tls")]
-#[derive(Debug)]
-pub(crate) struct HttpsUriWithoutTlsSupport(());
-
-#[cfg(feature = "tls")]
-impl fmt::Display for HttpsUriWithoutTlsSupport {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "Connecting to HTTPS without TLS enabled")
-    }
-}
-
-// std::error::Error only requires a type to impl Debug and Display
-#[cfg(feature = "tls")]
-impl std::error::Error for HttpsUriWithoutTlsSupport {}