fastly purge: use reqwest directly because of some library oddness

Author: syphar

Cargo.lock

@@ -110,7 +110,6 @@ chrono = { version = "0.4.11", default-features = false, features = ["clock", "s
 # Transitive dependencies we don't use directly but need to have specific versions of
 thread_local = "1.1.3"
 constant_time_eq = "0.4.2"
-fastly-api = "12.0.0"
 md5 = "0.8.0"
 
 [dev-dependencies]