dotfiles/zshrc: remove NODE_OPTIONS

I set this via .mise.toml in each project now.

dotfiles/config/sway/config

@@ -14,7 +14,7 @@ set $down j
 set $up k
 set $right l
 # Your preferred terminal emulator
-set $term wezterm
+set $term foot
 # Your preferred application launcher
 # Note: pass the final command to swaymsg so that the resulting window can be opened
 # on the original workspace that the command was run on.

dotfiles/zshrc

@@ -43,16 +43,14 @@ if [[ "$OSTYPE" =~ ^linux.*$ ]]; then
     # Signal to xdg-desktop-portal that we're on Sway
     export XDG_CURRENT_DESKTOP=sway
     # 2023-12-27: use Vulkan renderer in Sway
-    export WLR_RENDERER=vulkan
+    # 2024-03-23: still buggy
+    #export WLR_RENDERER=vulkan
 
     # 2023-02-05: tell pip/poetry not to probe for keyrings. I'm not publishing
     # packages to pypi.org and the popup during pip/poetry install is annoying.
     # See: https://github.com/python-poetry/poetry/issues/1917
     export PYTHON_KEYRING_BACKEND=keyring.backends.null.Keyring
 
-    # For dspace-angular Node.js build: JavaScript heap out of memory
-    export NODE_OPTIONS=--max_old_space_size=4096
-
     # For rsync breaking change in arg parsing since 2022
     # See: https://github.com/bit-team/backintime/issues/1247
     export RSYNC_OLD_ARGS=1