Remove installer

Require the user to install a VNC server, since they'll need to install a desktop anyway

jupyter_remote_desktop_proxy/__init__.py

@@ -11,21 +11,7 @@ def setup_desktop():
     # This is only readable, writeable & searchable by our uid
     sockets_dir = tempfile.mkdtemp()
     sockets_path = os.path.join(sockets_dir, 'vnc-socket')
-
-    # Try to find a local install of vncserver script.
-    # If installed with jupyter-remote-desktop-proxy.install,
-    # it will by default in of two location based on the tigervnc version:
-    #   - bundled_bin: tigervnc < 1.11.0
-    #   - bundled_exec: tigervnc > 1.11.0
-    # If no vncserver is found in the default bundled path, which will
-    # look in the user's PATH. If which return None, vncserver was not found
-    # and an exception is raised.
-    bundled_bin = os.path.join(HERE, 'share/tigervnc/bin')
-    bundled_libexec = os.path.join(HERE, 'share/tigervnc/libexec')
-    vncserver = which(
-        cmd='vncserver',
-        path=f"{bundled_bin}:{bundled_libexec}:{os.environ.get('PATH', os.defpath)}"
-    )
+    vncserver = which('vncserver')
 
     if vncserver is None:
         raise FileNotFoundError('jupyter-remote-desktop-proxy: could not find vncserver')