Update string_permutations.cpp

Author: ishikasinha-d

Strings/string_permutations.cpp

@@ -32,11 +32,6 @@ int main()
 { 
    fast;
 
-// #ifndef ONLINE_JUDGE
-// freopen("input.txt","r",stdin);
-// freopen("output.txt","w",stdout);
-// #endif
-
 string str;
 cin>>str;