main : fix typo in comment in main.cpp (#6985)

Signed-off-by: Daniel Bevenius <daniel.bevenius@gmail.com>

examples/main/main.cpp

@@ -324,7 +324,7 @@ int main(int argc, char ** argv) {
             log_tostr(embd_inp.empty()), n_matching_session_tokens, embd_inp.size(), session_tokens.size(), embd_inp.size());
 
     // if we will use the cache for the full prompt without reaching the end of the cache, force
-    // reevaluation of the last token token to recalculate the cached logits
+    // reevaluation of the last token to recalculate the cached logits
     if (!embd_inp.empty() && n_matching_session_tokens == embd_inp.size() && session_tokens.size() > embd_inp.size()) {
         LOGLN("recalculate the cached logits (do): session_tokens.resize( %zu )", embd_inp.size() - 1);