refactor(nixos): move supportedFilesystems nfs to common boot module

systems/aarch64-raw-efi/lin-terminal-image/default.nix

@@ -8,7 +8,6 @@ in
 
   # Config Boot
   boot = {
-    supportedFilesystems = [ "nfs" ];
     loader.timeout = lib.mkForce 0;
     consoleLogLevel = 7;
 

systems/x86_64-linux/lin-va-desktop/default.nix

@@ -14,7 +14,6 @@ in
 {
   system.stateVersion = "25.11";
   time.timeZone = "America/New_York";
-  boot.supportedFilesystems = [ "nfs" ];
   nixpkgs.config.allowUnfree = true;
   hardware.nvidia-container-toolkit.enable = true;
 

systems/x86_64-linux/lin-va-terminal/default.nix

@@ -5,7 +5,6 @@ in
 {
   system.stateVersion = "25.11";
   time.timeZone = "America/New_York";
-  boot.supportedFilesystems = [ "nfs" ];
 
   reichard = {
     nix = enabled;

systems/x86_64-linux/lin-va-thinkpad/default.nix

@@ -11,7 +11,6 @@ in
   time.timeZone = "America/New_York";
 
   boot = {
-    supportedFilesystems = [ "nfs" ];
     kernelParams = [
       # Mask GPE03 (EC wakeup events) to allow hibernation without spurious CPU wakeups
       "acpi_mask_gpe=0x03"