fix: remove duplicate main function from main.c

Co-authored-by: aider (deepseek/deepseek-coder) <aider@aider.chat>

main.c

@@ -84,47 +84,3 @@ int main(int argc, char *argv[]) {
     
     return 0;
 }
-#include <stdio.h>
-#include <stdlib.h>
-#include <jack/jack.h>
-#include "engine.h"
-#include "tui.h"
-
-int main(void)
-{
-    jack_client_t *client;
-    const char *client_name = "jack_looper";
-    jack_options_t options = JackNullOption;
-    jack_status_t status;
-
-    client = jack_client_open(client_name, options, &status);
-    if (client == NULL) {
-        fprintf(stderr, "jack_client_open() failed, status = 0x%2.0x\n", status);
-        if (status & JackServerFailed) {
-            fprintf(stderr, "Unable to connect to JACK server\n");
-        }
-        return 1;
-    }
-
-    float *buffer = calloc(4096, sizeof(float));
-    if (!buffer) {
-        fprintf(stderr, "Failed to allocate audio buffer\n");
-        jack_client_close(client);
-        return 1;
-    }
-
-    if (engine_init(client, buffer, 4096) != 0) {
-        fprintf(stderr, "Failed to initialize engine\n");
-        free(buffer);
-        jack_client_close(client);
-        return 1;
-    }
-
-    int ret = tui_main(client, buffer, 4096);
-
-    engine_cleanup(client);
-    free(buffer);
-    jack_client_close(client);
-
-    return ret;
-}