Copy changes from the no-history fork, generated back in 2023

Original commit message:
> commit f138311d2d2e0cc9ba0496d523bb46f2c1c9fb73
> Author: rtk0c <[email protected]>
> Date:   Wed Sep 20 23:58:58 2023 -0700
>
>     Copy from the PlasticSCM repo, replace vendored glm wtih conan

In reality, this also introduced a few uncommitted changes in the
original PlasticSCM repo. See the modified and new files in this patch.

1 files changed, 0 insertions, 23 deletions

diff --git a/3rdparty/glfw/source/LICENSE.md b/3rdparty/glfw/source/LICENSE.md
deleted file mode 100644
index 7494a3f..0000000
--- a/3rdparty/glfw/source/LICENSE.md
+++ /dev/null
@@ -1,23 +0,0 @@
-Copyright (c) 2002-2006 Marcus Geelnard
-
-Copyright (c) 2006-2019 Camilla Löwy
-
-This software is provided 'as-is', without any express or implied
-warranty. In no event will the authors be held liable for any damages
-arising from the use of this software.
-
-Permission is granted to anyone to use this software for any purpose,
-including commercial applications, and to alter it and redistribute it
-freely, subject to the following restrictions:
-
-1. The origin of this software must not be misrepresented; you must not
-   claim that you wrote the original software. If you use this software
-   in a product, an acknowledgment in the product documentation would
-   be appreciated but is not required.
-
-2. Altered source versions must be plainly marked as such, and must not
-   be misrepresented as being the original software.
-
-3. This notice may not be removed or altered from any source
-   distribution.
-