Update readme.md

Author: iamAntimPal

LeetCode SQL 50 Solution/2356. Number of Unique Subjects Taught by Each Teacher/readme.md

@@ -117,12 +117,3 @@ def count_unique_subjects(teacher: pd.DataFrame) -> pd.DataFrame:
 - 📖 [LeetCode Problem](https://leetcode.com/problems/number-of-unique-subjects-taught-by-each-teacher/)
 - 🔍 [MySQL COUNT(DISTINCT) Documentation](https://www.w3schools.com/sql/sql_count_distinct.asp)
 - 🐍 [Pandas GroupBy Documentation](https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.groupby.html)
-```
-
-This `README.md` provides:
-- A **clear problem statement** along with the table structure.
-- A **detailed example** with explanation.
-- Both **SQL and Python (Pandas) solutions** with step-by-step approaches.
-- An **organized file structure** and helpful external links.
-
-Let me know if you need any modifications!