Reduce NoBitsStdCpp verbosity

[Virv12]

The sanity check NoBitsStdCpp is too vebose, this PR reduce the screen space used by the generated warning.

Before:

Warning: bits/stdc++.h included from sol/sol_db.cpp
   Note: This won't compile under Clang
         sol/sol_db.cpp:1:0
         1 | #include <bits/stdc++.h>
             ^^^^^^^^^^^^^^^^^^^^^^^^

Warning: bits/stdc++.h included from sol/sol_db_2.cpp
   Note: This won't compile under Clang
         sol/sol_db_2.cpp:1:0
         1 | #include <bits/stdc++.h>
             ^^^^^^^^^^^^^^^^^^^^^^^^

Warning: bits/stdc++.h included from sol/sol_db_qn.cpp
   Note: This won't compile under Clang
         sol/sol_db_qn.cpp:1:0
         1 | #include <bits/stdc++.h>
             ^^^^^^^^^^^^^^^^^^^^^^^^

Warning: bits/stdc++.h included from sol/sol_db_qn2.cpp
   Note: This won't compile under Clang
         sol/sol_db_qn2.cpp:1:0
         1 | #include <bits/stdc++.h>
             ^^^^^^^^^^^^^^^^^^^^^^^^

Warning: bits/stdc++.h included from sol/sol_db_qn3.cpp
   Note: This won't compile under Clang
         sol/sol_db_qn3.cpp:1:0
         1 | #include <bits/stdc++.h>
             ^^^^^^^^^^^^^^^^^^^^^^^^

After:

Warning: Usage of "bits/stdc++.h" is discouraged
   Note: This won't compile under Clang
         sol/sol_db.cpp:1:0
         1 | #include <bits/stdc++.h>
             ^^^^^^^^^^^^^^^^^^^^^^^^
         sol/sol_db_2.cpp:1:0
         1 | #include <bits/stdc++.h>
             ^^^^^^^^^^^^^^^^^^^^^^^^
         sol/sol_db_qn.cpp:1:0
         1 | #include <bits/stdc++.h>
             ^^^^^^^^^^^^^^^^^^^^^^^^
         sol/sol_db_qn2.cpp:1:0
         1 | #include <bits/stdc++.h>
             ^^^^^^^^^^^^^^^^^^^^^^^^
         sol/sol_db_qn3.cpp:1:0
         1 | #include <bits/stdc++.h>
             ^^^^^^^^^^^^^^^^^^^^^^^^