Revert "feat: add default "auto" live reload protocol option (#4224)"

This reverts commit a97ecea.

Author: gbj

leptos/src/hydration/mod.rs

@@ -27,7 +27,6 @@ pub fn AutoReload(
             None => options.reload_port,
         };
         let protocol = match options.reload_ws_protocol {
-            leptos_config::ReloadWSProtocol::Auto => "null",
             leptos_config::ReloadWSProtocol::WS => "'ws://'",
             leptos_config::ReloadWSProtocol::WSS => "'wss://'",
         };

leptos/src/hydration/reload_script.js

@@ -1,9 +1,4 @@
 let host = window.location.hostname;
-
-if (protocol === null) {
-	protocol = window.location.protocol === 'https:' ? 'wss://' : 'ws://';
-}
-
 let ws = new WebSocket(`${protocol}${host}:${reload_port}/live_reload`);
 ws.onmessage = (ev) => {
 	let msg = JSON.parse(ev.data);

leptos_config/src/lib.rs

@@ -153,7 +153,7 @@ impl LeptosOptions {
                 None => None,
             },
             reload_ws_protocol: ws_from_str(
-                env_w_default("LEPTOS_RELOAD_WS_PROTOCOL", "auto")?.as_str(),
+                env_w_default("LEPTOS_RELOAD_WS_PROTOCOL", "ws")?.as_str(),
             )?,
             not_found_path: env_w_default("LEPTOS_NOT_FOUND_PATH", "/404")?
                 .into(),
@@ -283,24 +283,22 @@ impl TryFrom<String> for Env {
 pub enum ReloadWSProtocol {
     WS,
     WSS,
-    Auto,
 }
 
 impl Default for ReloadWSProtocol {
     fn default() -> Self {
-        Self::Auto
+        Self::WS
     }
 }
 
 fn ws_from_str(input: &str) -> Result<ReloadWSProtocol, LeptosConfigError> {
     let sanitized = input.to_lowercase();
     match sanitized.as_ref() {
-        "auto" => Ok(ReloadWSProtocol::Auto),
         "ws" | "WS" => Ok(ReloadWSProtocol::WS),
         "wss" | "WSS" => Ok(ReloadWSProtocol::WSS),
         _ => Err(LeptosConfigError::EnvVarError(format!(
-            "{input} is not a supported websocket protocol. Use only `auto`, \
-             `ws` or `wss`.",
+            "{input} is not a supported websocket protocol. Use only `ws` or \
+             `wss`.",
         ))),
     }
 }