Fix broken docs links

Author: nikola-matic

docs/contracts/inheritance.rst

@@ -548,7 +548,7 @@ Multiple Inheritance and Linearization
 
 Languages that allow multiple inheritance have to deal with
 several problems.  One is the `Diamond Problem <https://en.wikipedia.org/wiki/Multiple_inheritance#The_diamond_problem>`_.
-Solidity is similar to Python in that it uses "`C3 Linearization <https://en.wikipedia.org/wiki/C3_linearization>`_"
+Solidity is similar to Python in that it uses C3 Linearization
 to force a specific order in the directed acyclic graph (DAG) of base classes. This
 results in the desirable property of monotonicity but
 disallows some inheritance graphs. Especially, the order in