initfs: Remove uid and gid fields for inodes

The initfs creation code always puts 0 in them.

initfs/src/lib.rs

@@ -147,12 +147,6 @@ impl<'initfs> InodeStruct<'initfs> {
     pub fn mode(&self) -> u16 {
         (self.inode.type_and_mode.get() & MODE_MASK) as u16
     }
-    pub fn uid(&self) -> u32 {
-        self.inode.uid.get()
-    }
-    pub fn gid(&self) -> u32 {
-        self.inode.gid.get()
-    }
     fn ty(&self) -> Option<InodeType> {
         let raw = (self.inode.type_and_mode.get() & TYPE_MASK) >> TYPE_SHIFT;
 

initfs/src/types.rs

@@ -87,8 +87,6 @@ pub struct InodeHeader {
     pub type_and_mode: U32,
     pub length: U32,
     pub offset: Offset,
-    pub uid: U32,
-    pub gid: U32,
 }
 
 pub const MODE_MASK: u32 = 0xFFF;