remove global state, objectify, more de-C-ification

Cargo.lock

@@ -17,12 +17,6 @@ dependencies = [
  "wasi",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
-
 [[package]]
 name = "libc"
 version = "0.2.74"
@@ -95,7 +89,6 @@ dependencies = [
 name = "rgp"
 version = "0.1.0"
 dependencies = [
- "lazy_static",
  "libc",
  "simple_input",
  "tempfile",

Cargo.toml

@@ -8,6 +8,5 @@ edition = "2018"
 
 [dependencies]
 libc = "*"
-lazy_static = "1.4.0"
-simple_input = "0.4.0"
 tempfile = "3.1.0"
+simple_input = "0.4.0"