Remove ens field from Context

It is no longer used due to the capability rework.

src/context/context.rs

@@ -141,7 +141,6 @@ pub struct Context {
     pub owner_proc_id: Option<NonZeroUsize>,
 
     // TODO: Temporary replacement for existing kernel logic, replace with capabilities!
-    pub ens: SchemeNamespace,
     pub euid: u32,
     pub egid: u32,
     pub pid: usize,
@@ -197,7 +196,6 @@ impl Context {
             being_sigkilled: false,
             owner_proc_id,
 
-            ens: 0.into(),
             euid: 0,
             egid: 0,
             pid: 0,

src/main.rs

@@ -196,7 +196,6 @@ fn kmain(bootstrap: Bootstrap) -> ! {
             context.name.push_str("[bootstrap]");
 
             // TODO: Remove these from kernel
-            context.ens = SchemeNamespace::from(1);
             context.euid = 0;
             context.egid = 0;
         }

src/scheme/proc.rs

@@ -1229,7 +1229,6 @@ impl ContextHandle {
                 guard.name.push_str(debug_name);
 
                 guard.pid = info.pid as usize;
-                guard.ens = (info.ens as usize).into();
                 guard.euid = info.euid;
                 guard.egid = info.egid;
                 Ok(size_of::<ProcSchemeAttrs>())
@@ -1421,15 +1420,14 @@ impl ContextHandle {
             ContextHandle::Attr => {
                 let mut debug_name = [0; 32];
                 let c = &context.read(token.token());
-                let (euid, egid, ens, pid, name) =
-                    (c.euid, c.egid, c.ens.get() as u32, c.pid as u32, c.name);
+                let (euid, egid, pid, name) = (c.euid, c.egid, c.pid as u32, c.name);
                 let min = name.len().min(debug_name.len());
                 debug_name[..min].copy_from_slice(&name.as_bytes()[..min]);
                 buf.copy_common_bytes_from_slice(&ProcSchemeAttrs {
                     pid,
                     euid,
                     egid,
-                    ens,
+                    ens: 0,
                     debug_name,
                 })
             }

src/scheme/sys/context.rs

@@ -98,7 +98,6 @@ pub fn resource(token: &mut CleanLockToken) -> Result<Vec<u8>> {
                 context.pid,
                 context.euid,
                 context.egid,
-                context.ens.get(),
                 stat_string,
                 cpu_string,
                 affinity,
@@ -114,7 +113,6 @@ pub fn resource(token: &mut CleanLockToken) -> Result<Vec<u8>> {
         pid,
         euid,
         egid,
-        ens,
         stat_string,
         cpu_string,
         affinity,
@@ -125,11 +123,10 @@ pub fn resource(token: &mut CleanLockToken) -> Result<Vec<u8>> {
     {
         let _ = writeln!(
             string,
-            "{:<6}{:<6}{:<6}{:<6}{:<6}{:<6}{:<11}{:<12}{:<8}{}",
+            "{:<6}{:<6}{:<6}{:<6}{:<6}{:<11}{:<12}{:<8}{}",
             pid,
             euid,
             egid,
-            ens,
             stat_string,
             cpu_string,
             affinity,