get rid of unnecessary param for run math density

handler.py

@@ -374,7 +374,7 @@ def load_math_terms():
             math_terms_dict[term] = term
     return math_terms, math_terms_dict
 
-def run_math_density(transcript, uptake_speaker=None):
+def run_math_density(transcript):
     math_terms, math_terms_dict = load_math_terms()
     sorted_terms = sorted(math_terms, key=len, reverse=True)
     math_word_cloud = {}
@@ -452,7 +452,7 @@ class EndpointHandler():
             self.device, self.tokenizer, self.input_builder)
         focusing_question_model.run_inference(transcript, uptake_speaker=uptake_speaker)
 
-        math_cloud = run_math_density(transcript, uptake_speaker=uptake_speaker)
+        math_cloud = run_math_density(transcript)
         transcript.update_utterance_roles(uptake_speaker)
         transcript.calculate_aggregate_word_count()
         return_dict = {'talkDistribution': None, 'talkLength': None, 'talkMoments': None, 'commonTopWords': None, 'uptakeTopWords': None, 'mathTopWords': None}