revised: update preprocessing logic(remove license comment)

app.py

@@ -7,7 +7,9 @@ import re
 def translate(text_input, openapi_key):
     openai.api_key = openapi_key
     
-    text_list = text_input.split('\n')[8:]
+    # 라이선스 문장 제거
+    rm_line = text_input.find('-->')
+    text_list = text_input[rm_line+4:].split('\n')
     print(text_list)
 
     reply = []