Update to release version of proc-macro2

Author: mitsuhiko

Cargo.toml

@@ -37,6 +37,3 @@ pest = "2.1.0"
 pest_derive = "2.1.0"
 ron = "0.4.1"
 uuid = { version = "0.7.1", features = ["serde", "v4"] }
-
-[patch.crates-io]
-proc-macro2 = { git = "https://github.com/dtolnay/proc-macro2", rev = "3b1f7d28c11a0f88ab52504c4b8e1dc9e7789883" }

cargo-insta/Cargo.toml

@@ -21,5 +21,5 @@ serde_json = "1.0.36"
 failure = "0.1.5"
 glob = "0.2.11"
 walkdir = "2.2.7"
-proc-macro2 = { version = "0.4.26", features = ["span-locations"] }
+proc-macro2 = { version = "0.4.27", features = ["span-locations"] }
 syn = { version = "0.15.26", features = ["full"] }