fish: Drop use of nvr

fish/.config/fish/config.fish

@@ -8,13 +8,8 @@ bind \cd true
 export MANPAGER='nvim +Man!'
 export NIX_SSL_CERT_FILE='/etc/ssl/certs/ca-certificates.crt'
 
-if [ -n "$NVIM_LISTEN_ADDRESS" ]
-  export VISUAL="nvr"
-  export EDITOR="nvr"
-else
-  export VISUAL="nvim"
-  export EDITOR="nvim"
-end
+export VISUAL="nvim"
+export EDITOR="nvim"
 
 fzf_key_bindings