Major cleanup of libfuse to remove unneeded features

* Remove request interrupt code. Required tracking of all requests unnecesssarily.
* Remove all debugging printing. Have plans to do full replacement.
* Remove deprecated functions.
* Remove unneeded error checking.
* Remove "userdata" which was unused.
* Remove allow_root feature.

src/fuse_bmap.cpp

@@ -0,0 +1,39 @@
+/*
+  ISC License
+
+  Copyright (c) 2021, Antonio SJ Musumeci <trapexit@spawn.link>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include "errno.hpp"
+
+#include <cstdint>
+
+#include <stddef.h>
+
+
+namespace FUSE
+{
+  int
+  bmap(const char *fusepath_,
+       size_t      blocksize_,
+       uint64_t   *idx_)
+  {
+    (void)fusepath_;
+    (void)blocksize_;
+    (void)idx_;
+
+    return -ENOSYS;
+  }
+}