Remove obsolete database_blob type

[ichorid]

fixes #6097 with some bowler magic:

import mmap
import re
from lib2to3.pgen2.parse import ParseError
from pathlib import Path

from bowler.query import Query

fun_name = "database_blob"

dbblob = re.compile(fun_name.encode())


def modify_file(filename):
    (
        Query(filename).
            select_function(fun_name).
            is_call().
            modify(remove_call).execute(interactive=False, write=True)
    )


def remove_call(ast_node, capture, _):
    args = capture.get('function_arguments')

    parent = ast_node.parent
    children_list = parent.children
    for ind, leaf in enumerate(children_list):
        if leaf is ast_node:
            children_list[ind] = args[0].clone()


if __name__ == "__main__":
    for file in Path("src/tribler-core").rglob("*.py"):
        try:
            with open(file, "r+") as f:
                data = mmap.mmap(f.fileno(), 0)
                if not re.search(dbblob, data):
                    continue
        except:
            continue
        try:
            modify_file(file)
        except ParseError:
            print("Can't handle file ", file)

[sonarcloud]

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[qstokkink]

Thank you! This has been on my wishlist for quite a long time.