Revert unreleased gl/khronos_api version bumps from 5b2ac3a

These were never released and make it harder to use a `git` patch on
the latest branch.  We should only bump them as soon as the release is
actually published to crates.io.

Author: MarijnS95

gl_generator/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "gl_generator"
-version = "0.14.1"
+version = "0.14.0"
 authors = [
     "Brendan Zabarauskas <[email protected]>",
     "Corey Richardson",
@@ -23,6 +23,6 @@ path = "lib.rs"
 unstable_generator_utils = []
 
 [dependencies]
-khronos_api = { version = "3.2.0", path = "../khronos_api" }
+khronos_api = { version = "3.1.0", path = "../khronos_api" }
 log = "0.4"
 xml-rs = "0.8"

khronos_api/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "khronos_api"
-version = "3.2.0"
+version = "3.1.0"
 authors = [
   "Brendan Zabarauskas <[email protected]>",
   "Corey Richardson",