Update src/Feeds/Parser/IcalParser.php, .gitignore

Deleted vendor/composer/ClassLoader.php, vendor/composer/LICENSE, vendor/composer/autoload_classmap.php, vendor/composer/autoload_files.php, vendor/composer/autoload_namespaces.php, vendor/composer/autoload_psr4.php, vendor/composer/autoload_real.php, vendor/composer/autoload_static.php, vendor/composer/installed.json, vendor/johngrogg/ics-parser/.github/CONTRIBUTING.md, vendor/johngrogg/ics-parser/.github/ISSUE_TEMPLATE.md, vendor/johngrogg/ics-parser/.github/PULL_REQUEST_TEMPLATE.md, vendor/johngrogg/ics-parser/.github/RELEASE_CHECKLIST.md, vendor/johngrogg/ics-parser/examples/ICal.ics, vendor/johngrogg/ics-parser/examples/index.php, vendor/johngrogg/ics-parser/src/ICal/Event.php, vendor/johngrogg/ics-parser/src/ICal/ICal.php, vendor/johngrogg/ics-parser/.editorconfig, vendor/johngrogg/ics-parser/.gitignore, vendor/johngrogg/ics-parser/LICENSE, vendor/johngrogg/ics-parser/README.md, vendor/johngrogg/ics-parser/composer.json, vendor/nesbot/carbon/src/Carbon/Exceptions/InvalidDateException.php, vendor/nesbot/carbon/src/Carbon/Lang/af.php, vendor/nesbot/carbon/src/Carbon/Lang/ar.php, vendor/nesbot/carbon/src/Carbon/Lang/az.php, vendor/nesbot/carbon/src/Carbon/Lang/bg.php, vendor/nesbot/carbon/src/Carbon/Lang/bn.php, vendor/nesbot/carbon/src/Carbon/Lang/ca.php, vendor/nesbot/carbon/src/Carbon/Lang/cs.php, vendor/nesbot/carbon/src/Carbon/Lang/da.php, vendor/nesbot/carbon/src/Carbon/Lang/de.php, vendor/nesbot/carbon/src/Carbon/Lang/el.php, vendor/nesbot/carbon/src/Carbon/Lang/en.php, vendor/nesbot/carbon/src/Carbon/Lang/eo.php, vendor/nesbot/carbon/src/Carbon/Lang/es.php, vendor/nesbot/carbon/src/Carbon/Lang/et.php, vendor/nesbot/carbon/src/Carbon/Lang/eu.php, vendor/nesbot/carbon/src/Carbon/Lang/fa.php, vendor/nesbot/carbon/src/Carbon/Lang/fi.php, vendor/nesbot/carbon/src/Carbon/Lang/fo.php, vendor/nesbot/carbon/src/Carbon/Lang/fr.php, vendor/nesbot/carbon/src/Carbon/Lang/gl.php, vendor/nesbot/carbon/src/Carbon/Lang/he.php, vendor/nesbot/carbon/src/Carbon/Lang/hr.php, vendor/nesbot/carbon/src/Carbon/Lang/hu.php, vendor/nesbot/carbon/src/Carbon/Lang/hy.php, vendor/nesbot/carbon/src/Carbon/Lang/id.php, vendor/nesbot/carbon/src/Carbon/Lang/it.php, vendor/nesbot/carbon/src/Carbon/Lang/ja.php, vendor/nesbot/carbon/src/Carbon/Lang/ka.php, vendor/nesbot/carbon/src/Carbon/Lang/km.php, vendor/nesbot/carbon/src/Carbon/Lang/ko.php, vendor/nesbot/carbon/src/Carbon/Lang/lt.php, vendor/nesbot/carbon/src/Carbon/Lang/lv.php, vendor/nesbot/carbon/src/Carbon/Lang/mk.php, vendor/nesbot/carbon/src/Carbon/Lang/ms.php, vendor/nesbot/carbon/src/Carbon/Lang/nl.php, vendor/nesbot/carbon/src/Carbon/Lang/no.php, vendor/nesbot/carbon/src/Carbon/Lang/pl.php, vendor/nesbot/carbon/src/Carbon/Lang/pt.php, vendor/nesbot/carbon/src/Carbon/Lang/pt_BR.php, vendor/nesbot/carbon/src/Carbon/Lang/ro.php, vendor/nesbot/carbon/src/Carbon/Lang/ru.php, vendor/nesbot/carbon/src/Carbon/Lang/sk.php, vendor/nesbot/carbon/src/Carbon/Lang/sl.php, vendor/nesbot/carbon/src/Carbon/Lang/sq.php, vendor/nesbot/carbon/src/Carbon/Lang/sr.php, vendor/nesbot/carbon/src/Carbon/Lang/sr_Cyrl_ME.php, vendor/nesbot/carbon/src/Carbon/Lang/sr_Latn_ME.php, vendor/nesbot/carbon/src/Carbon/Lang/sr_ME.php, vendor/nesbot/carbon/src/Carbon/Lang/sv.php, vendor/nesbot/carbon/src/Carbon/Lang/th.php, vendor/nesbot/carbon/src/Carbon/Lang/tr.php, vendor/nesbot/carbon/src/Carbon/Lang/uk.php, vendor/nesbot/carbon/src/Carbon/Lang/ur.php, vendor/nesbot/carbon/src/Carbon/Lang/uz.php, vendor/nesbot/carbon/src/Carbon/Lang/vi.php, vendor/nesbot/carbon/src/Carbon/Lang/zh.php, vendor/nesbot/carbon/src/Carbon/Lang/zh_TW.php, vendor/nesbot/carbon/src/Carbon/Carbon.php, vendor/nesbot/carbon/src/Carbon/CarbonInterval.php, vendor/nesbot/carbon/.php_cs.dist, vendor/nesbot/carbon/LICENSE, vendor/nesbot/carbon/composer.json, vendor/nesbot/carbon/readme.md, vendor/autoload.php