Removed extra colons

Author: shreyash3087

dsa-solutions/lc-solutions/0200-0299/0207-course-schedule.md

@@ -38,7 +38,7 @@ To take course 1 you should have finished course 0, and to take course 0 you sho
 ### Constraints:
 - `1 <= numCourses <= 2000`
 - `0 <= prerequisites.length <= 5000`
-- ```prerequisites[i].length == 2`
+- `prerequisites[i].length == 2`
 - `0 <= ai, bi < numCourses `
 - All the pairs prerequisites[i] are **unique**.
 ## Solution