Fix nix flake check

Author: jmbaur

kernel-configs/debug.nix

@@ -15,6 +15,7 @@ in
       FTRACE = yes;
       GENERIC_BUG = yes;
       IKCONFIG = yes;
+      KALLSYMS = yes;
       KALLSYMS_ALL = yes;
       SERIAL_EARLYCON = yes;
       SYMBOLIC_ERRNAME = yes;

kernel-configs/generic.nix

@@ -84,8 +84,6 @@ in
     NLS_ISO8859_1 = yes;
     PCI = yes;
     PINCTRL = yes;
-    PINCONF = yes;
-    GENERIC_PINCONF = yes;
     PRINTK = yes;
     PROC_FS = yes;
     RD_XZ = yes;