lib/MultiIniModifier.php
public function removeSection($section = 0, $removePreviousComment = true)
    {
        if ($this->master instanceof IniModifierInterface) {
            $this->master->removeSection($section, $removePreviousComment);
        }
        $this->overrider->removeSection($section, $removePreviousComment);
    }
public function removeSection($section = 0, $removePreviousComment = true)
    {
        if ($this->master instanceof IniModifierInterface) {
            $this->master->removeSection($section, $removePreviousComment);
        }
        $this->overrider->removeSection($section, $removePreviousComment);
    }
remove a section from the two ini file.

@param int $section
@param bool $removePreviousComment
@since 2.5.0