scripts: fix check-symbols & check-security argument passing
scripts: fix check-symbols & check-security argument passing

The first argument in bin_PROGRAMS (bitcoind) was being silently
dropped and never passed into the check-security.py or check-symbols.py scripts.

This has been the case since the scripts were added to the makefile in
https://github.com/bitcoin/bitcoin/commit/f3d3eaf78eb51238d799d8f20a585550d1567719.

Example of the behavior:

```python
# touch a, touch b, touch c
# python3 args.py < a b c

import sys
if __name__ == '__main__':
    print(sys.argv)
    # ['args.py', 'b', 'c']

    # if you add some lines to "a",
    # you'll see them here..
    for line in sys.stdin:
        print(line)
```

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