add 'cpf_example' for uninstall

Author: yasirroni

install_matpower.m

@@ -134,7 +134,7 @@
         {{'extras', 'state_estimator'}}, ...
         {{'extras', 'syngrid', 'lib'}, {'extras', 'syngrid', 'lib', 't'}} }, ...
     'fcns', { ...       %% functions to search for to find old paths to remove
-        {'mpver', 'test_matpower', 'case9'}, ...
+        {'mpver', 'test_matpower', 'case9', 'cpf_example'}, ...
         {'mostver', 'test_most', 'most_ex6_uc'}, ...
         {'mpomver', 'test_mp_opt_model', 'qp_ex1'}, ...
         {'mipsver', 'test_mips', 'mips_example1'}, ...