Removes a keyword group

@param int $key The key of the keyword group to remove
@since 1.0.0
422106
public function remove_keyword_group ($key) {
        //Remove the keyword group internally
        unset($this->language_data['KEYWORDS'][$key]);
        unset($this->lexic_permissions['KEYWORDS'][$key]);
        unset($this->language_data['CASE_SENSITIVE'][$key]);
        unset($this->language_data['STYLES']['KEYWORDS'][$key]);

        //NEW in 1.0.8
        unset($this->language_data['CACHED_KEYWORD_LISTS'][$key]);
    }
1114738
public static function clear($key)
    {
        self::$aliases[$key] = [];
        self::$aliases['kernel'] = config('alias.kernel');
        //
        Aliases::set(config('alias.enable'), self::$aliases);
    }
1100502
public function delete($key, $group = self::DEFAULT_GROUP) {
        $this->repository
            ->deleteByKey($key, $group);

        return true;
    }
1348994
public function remove($key)
    {
        foreach ($this->options as $idx => $option) {
            if (is_array($option)) {
                if (! strcasecmp($key, $option['name'])) {
                    unset($this->options[$idx]);

                    return true;
                }
            } elseif (! strcasecmp($key, $option)) {
                unset($this->options[$idx]);

                return true;
            }
        }

        return false;
    }
152907
public function remove($key): void
    {
        foreach ((array) $key as $key) {
            unset($_SESSION[$this->name][$key]);
        }
    }
323866
public function remove($key)
    {
        if ($this->has($key)) {
            unset($this->session[$key]);
            return true;
        } else {
            return false;
        }
    }
1212058
public function removeGroup(Group $group)
    {
        $this->hasGroupsProperty();

        if ($this->groups->contains($group)) {
            $this->groups->removeElement($group);
        }
    }
1126404
public function remove($key)
    {
        if ($this->resumeSession()) {
            if (isset($_SESSION) && array_key_exists($key, $_SESSION)) {
                unset($_SESSION[$key]);
            }
        }
    }
22821
public function remove($key)
    {
        if (array_key_exists($key, $this->settings)) {
            unset($this->settings[$key]);
            return true;
        }
        return false;
    }
904103
public function remove($key)
    {
        $keys = explode('.', $key);
        $section = &$this->items;

        while (count($keys) > 1) {
            $key = array_shift($keys);

            if (! isset($section[$key])) {
                return;
            }

            $section = &$section[$key];
        }

        unset($section[array_shift($keys)]);

        $this->notify();
    }
802318
public function delete($key)
    {
        $this->initSession();
        $key_name = $this->getSessionKeyName($key);
        unset($_SESSION[$key_name]);
    }
833584
protected function delete(string $key): void
    {
        $this->resolver()->where('id', '=', $this->getKeyId($key))->delete();
    }
128170
public static function destroy($key = '')
    {
        if (self::$_sessionStarted == true) {

            if (empty($key)) {
                session_unset();
                session_destroy();
            } else {
                self::setPrefix();
                unset($_SESSION[self::$_sessionPrefix . $key]);
            }
        }
    }
282017
public function remove($key)
    {
        if (!$this->has($key)) {
            return;
        }

        unset($this->archive[$key]);
        unset($this->keys[$key]);

    }
1263554
public function delete($key)
    {
        $stmt = $this->db->prepare(
            'DELETE FROM ' . $this->name . ' WHERE ' . $this->keyColumnName
            . ' = :key;'
        );
        $stmt->bindParam(':key', $key, \PDO::PARAM_STR);
        $stmt->execute();

        unset($this->data[$key]);
    }
1162267
public function unset(string $key): void
    {
        $slug = $this->splitKey($key);

        if (is_string($slug)) {
            if (isset($this[$slug])) {
                unset($this[$slug]);
            }
        } else {
            if ($this->has($key)) {
                $this->set($key, null);
            }
        }
    }
304899
public function remove($key)
    {
        if ($this->has($key)) {
            unset($this->data[$key]);
            return true;
        } else {
            return false;
        }
    }