linux: Remove KERN_REALROOTDEV and VM_LAPTOP_MODE

These were removed in kernel version 7.0. They do not appear used in the
Rust ecosystem from a quick search [1]; thus, remove them from libc too.

Link: https://github.com/search?q=lang%3Arust+%2F%28VM_LAPTOP_MODE%7CKERN_REALROOTDEV%29%28%5B%5E%3A%5D%7C%24%29%2F&type=code [1]
Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e6ce36ccc86f6d447808a6e620f56d440d74aa19
Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=64dd89ae01f2708a508e028c28b7906e4702a9a7

Author: tgross35

src/unix/linux_like/android/mod.rs

@@ -3103,7 +3103,6 @@ pub const KERN_PROF: c_int = 6;
 pub const KERN_NODENAME: c_int = 7;
 pub const KERN_DOMAINNAME: c_int = 8;
 pub const KERN_PANIC: c_int = 15;
-pub const KERN_REALROOTDEV: c_int = 16;
 pub const KERN_SPARC_REBOOT: c_int = 21;
 pub const KERN_CTLALTDEL: c_int = 22;
 pub const KERN_PRINTK: c_int = 23;
@@ -3173,7 +3172,6 @@ pub const VM_SWAPPINESS: c_int = 19;
 pub const VM_LOWMEM_RESERVE_RATIO: c_int = 20;
 pub const VM_MIN_FREE_KBYTES: c_int = 21;
 pub const VM_MAX_MAP_COUNT: c_int = 22;
-pub const VM_LAPTOP_MODE: c_int = 23;
 pub const VM_BLOCK_DUMP: c_int = 24;
 pub const VM_HUGETLB_GROUP: c_int = 25;
 pub const VM_VFS_CACHE_PRESSURE: c_int = 26;

src/unix/linux_like/linux/mod.rs

@@ -3643,7 +3643,6 @@ pub const KERN_PROF: c_int = 6;
 pub const KERN_NODENAME: c_int = 7;
 pub const KERN_DOMAINNAME: c_int = 8;
 pub const KERN_PANIC: c_int = 15;
-pub const KERN_REALROOTDEV: c_int = 16;
 pub const KERN_SPARC_REBOOT: c_int = 21;
 pub const KERN_CTLALTDEL: c_int = 22;
 pub const KERN_PRINTK: c_int = 23;
@@ -3715,7 +3714,6 @@ pub const VM_SWAPPINESS: c_int = 19;
 pub const VM_LOWMEM_RESERVE_RATIO: c_int = 20;
 pub const VM_MIN_FREE_KBYTES: c_int = 21;
 pub const VM_MAX_MAP_COUNT: c_int = 22;
-pub const VM_LAPTOP_MODE: c_int = 23;
 pub const VM_BLOCK_DUMP: c_int = 24;
 pub const VM_HUGETLB_GROUP: c_int = 25;
 pub const VM_VFS_CACHE_PRESSURE: c_int = 26;