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, 71 deletions

diff --git a/3rdparty/glfw/source/docs/DoxygenLayout.xml b/3rdparty/glfw/source/docs/DoxygenLayout.xml
deleted file mode 100644
index ab97172..0000000
--- a/3rdparty/glfw/source/docs/DoxygenLayout.xml
+++ /dev/null
@@ -1,71 +0,0 @@
-<doxygenlayout version="1.0">
-  <!-- Generated by doxygen 1.8.14 -->
-  <!-- Navigation index tabs for HTML output -->
-  <navindex>
-    <tab type="mainpage" visible="yes" title="Introduction"/>
-    <tab type="user" url="quick_guide.html" title="Tutorial"/>
-    <tab type="pages" visible="yes" title="Guides" intro=""/>
-    <tab type="modules" visible="yes" title="Reference" intro=""/>
-    <tab type="filelist" visible="yes" title="Files"/>
-  </navindex>
-
-  <!-- Layout definition for a file page -->
-  <file>
-    <detaileddescription title="Description"/>
-    <includes visible="$SHOW_INCLUDE_FILES"/>
-    <sourcelink visible="yes"/>
-    <memberdecl>
-      <constantgroups visible="yes" title=""/>
-      <defines title=""/>
-      <typedefs title=""/>
-      <enums title=""/>
-      <functions title=""/>
-      <variables title=""/>
-      <membergroups visible="yes"/>
-    </memberdecl>
-    <memberdef>
-      <defines title=""/>
-      <typedefs title=""/>
-      <enums title=""/>
-      <functions title=""/>
-      <variables title=""/>
-    </memberdef>
-    <authorsection/>
-  </file>
-
-  <!-- Layout definition for a group page -->
-  <group>
-    <detaileddescription title="Description"/>
-    <memberdecl>
-      <nestedgroups visible="yes" title=""/>
-      <dirs visible="yes" title=""/>
-      <files visible="yes" title=""/>
-      <defines title=""/>
-      <typedefs title=""/>
-      <enums title=""/>
-      <enumvalues title=""/>
-      <functions title=""/>
-      <variables title=""/>
-    </memberdecl>
-    <memberdef>
-      <pagedocs/>
-      <defines title=""/>
-      <typedefs title=""/>
-      <enums title=""/>
-      <enumvalues title=""/>
-      <functions title=""/>
-      <variables title=""/>
-    </memberdef>
-    <authorsection visible="yes"/>
-  </group>
-
-  <!-- Layout definition for a directory page -->
-  <directory>
-    <briefdescription visible="yes"/>
-    <memberdecl>
-      <dirs visible="yes"/>
-      <files visible="yes"/>
-    </memberdecl>
-    <detaileddescription title=""/>
-  </directory>
-</doxygenlayout>