Remove some dead code

Signed-off-by: Francis Bouvier <francis@lightpanda.io>

src/browser/browser.zig

@@ -73,10 +73,6 @@ pub const Browser = struct {
         self.session.deinit();
         try Session.init(&self.session, alloc, loop, uri);
     }
-
-    pub fn currentSession(self: *Browser) *Session {
-        return &self.session;
-    }
 };
 
 // Session is like a browser's tab.

src/msg.zig

@@ -18,8 +18,6 @@
 
 const std = @import("std");
 
-// pub const MaxStdOutSize = 512; // ensure debug msg are not too long
-
 /// MsgBuffer returns messages from a raw text read stream,
 /// according to the following format `<msg_size>:<msg>`.
 /// It handles both: