Disable reCaptcha module manually

In order to disable the reCaptcha module manually, follow this process

1. Get into the databas and execute this query

UPDATE system SET status = 0 WHERE name = "recaptcha";

2. Clear the cache, if possible with drush

drush cache-clear

3. Clear the cache, through SQL

TRUNCATE TABLE cache;
TRUNCATE TABLE cache_block;
TRUNCATE TABLE cache_bootstrap;
TRUNCATE TABLE cache_field;
TRUNCATE TABLE cache_filter;
TRUNCATE TABLE cache_form;
TRUNCATE TABLE cache_image;
TRUNCATE TABLE cache_menu;
TRUNCATE TABLE cache_page;
TRUNCATE TABLE cache_path;
TRUNCATE TABLE cache_token;
TRUNCATE TABLE cache_update;