Use Ruff to clean up libtcodpy.

Author: HexDecimal

.vscode/settings.json

@@ -157,6 +157,7 @@
         "guass",
         "heapify",
         "heightmap",
+        "heightmaps",
         "hflip",
         "hiddenimports",
         "HIGHDPI",
@@ -197,6 +198,7 @@
         "KBDILLUMDOWN",
         "KBDILLUMTOGGLE",
         "KBDILLUMUP",
+        "kernelsize",
         "keychar",
         "KEYDOWN",
         "keyname",
@@ -403,6 +405,7 @@
         "VRAM",
         "vsync",
         "WASD",
+        "waterlevel",
         "windowclose",
         "windowenter",
         "WINDOWEVENT",