Remove tabs from asciidoc

Signed-off-by: obarash <[email protected]>

Author: obarash-te

doc/trex_emu.asciidoc

@@ -3629,8 +3629,8 @@ Rotated files will be sent to the destination URL using HTTP/HTTPS.
        "tls_key_file": "",
        "store_exported_files_on_disk": false,
        "input_channel_capacity": 500
-	   "repeats_num": 15
-	   "repeats_wait_time": "1s"
+       "repeats_num": 15
+       "repeats_wait_time": "1s"
 }
 ----
 [NOTE]