Update `sv.py`

sv.py

@@ -91,12 +91,6 @@ emo_set = {"😊", "😔", "😡", "😰", "🤢", "😮"}
 event_set = {"🎼", "👏", "😀", "😭", "🤧", "😷"}
 
 
-def format_str(s):
-    for sptk in emoji_dict:
-        s = s.replace(sptk, emoji_dict[sptk])
-    return s
-
-
 def format_str_v2(s):
     sptk_dict = {}
     for sptk in emoji_dict:
@@ -149,9 +143,6 @@ def time_to_seconds(time_str):
     return round(int(h) * 3600 + int(m) * 60 + float(s), 9)
 
 
-import datetime
-
-
 def parse_time(time_str):
     # Remove 's' if present at the end of the string
     time_str = time_str.rstrip("s")