chore: remove obsolete file

snyk has been removed, this file is not required anymore.
diff --git a/.snyk b/.snyk
deleted file mode 100644
index 140f3ed..0000000
--- a/.snyk
+++ /dev/null
@@ -1,8 +0,0 @@
-# Snyk (https://snyk.io) policy file, patches or ignores known vulnerabilities.
-version: v1.14.0
-ignore: {}
-# patches apply the minimum changes required to fix a vulnerability
-patch:
-  SNYK-JS-LODASH-450202:
-    - cypress > getos > async > lodash:
-        patched: '2020-01-31T01:35:12.802Z'