Remove vendored usvfs and Windows-only usvfs code paths

The Linux port uses its own in-process FUSE VFS (FuseConnector), so
usvfs was dead weight: libs/usvfs/ was never built, usvfsconnector.cpp
was explicitly REMOVE_ITEM'd from the source list, and every call site
was already guarded by #ifdef _WIN32 with a working Linux branch (the
Windows build is also broken on this branch, since FUSE3 is a hard
find_package dependency).

- Drop libs/usvfs/ and src/src/usvfsconnector.{cpp,h}
- Collapse #ifdef _WIN32 / usvfs include branches in organizercore,
  mainwindow, settings, util, spawn
- Remove getUsvfsVersionString() and the "usvfs: ..." log field
- Remove vfs32/64DLLName APPPARAMs (nothing reads them)
- Relabel About dialog "usvfs:" row to "VFS: FUSE 3"

1 files changed, 0 insertions, 40 deletions

diff --git a/libs/usvfs/src/shared/stringcast.cpp b/libs/usvfs/src/shared/stringcast.cpp
deleted file mode 100644
index 47822d5..0000000
--- a/libs/usvfs/src/shared/stringcast.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
-Userspace Virtual Filesystem
-
-Copyright (C) 2015 Sebastian Herbord. All rights reserved.
-
-This file is part of usvfs.
-
-usvfs is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-usvfs is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with usvfs. If not, see <http://www.gnu.org/licenses/>.
-*/
-#include "stringcast.h"
-
-namespace usvfs::shared
-{
-
-UINT windowsCP(CodePage codePage)
-{
-  switch (codePage) {
-  case CodePage::LOCAL:
-    return CP_ACP;
-  case CodePage::UTF8:
-    return CP_UTF8;
-  case CodePage::LATIN1:
-    return 850;
-  }
-  // this should not be possible in practice
-  throw std::runtime_error("unsupported codePage");
-}
-
-}  // namespace usvfs::shared