Cleaning unused imports

kernel/file.c

@@ -3,12 +3,10 @@
 //
 
 #include "types.h"
-#include "riscv.h"
 #include "defs.h"
 #include "param.h"
 #include "fs.h"
 #include "spinlock.h"
-#include "sleeplock.h"
 #include "file.h"
 #include "stat.h"
 #include "proc.h"

kernel/sleeplock.c

@@ -1,11 +1,6 @@
 // Sleeping locks
 
-#include "types.h"
-#include "riscv.h"
 #include "defs.h"
-#include "param.h"
-#include "memlayout.h"
-#include "spinlock.h"
 #include "proc.h"
 #include "sleeplock.h"
 

user/umalloc.c

@@ -1,7 +1,5 @@
 #include "kernel/types.h"
-#include "kernel/stat.h"
 #include "user/user.h"
-#include "kernel/param.h"
 
 // Memory allocator by Kernighan and Ritchie,
 // The C programming Language, 2nd ed.  Section 8.7.

user/usertests.c

@@ -1,10 +1,8 @@
 #include "kernel/param.h"
 #include "kernel/types.h"
-#include "kernel/stat.h"
 #include "user/user.h"
 #include "kernel/fs.h"
 #include "kernel/fcntl.h"
-#include "kernel/syscall.h"
 #include "kernel/memlayout.h"
 #include "kernel/riscv.h"
 

user/wc.c

@@ -1,5 +1,3 @@
-#include "kernel/types.h"
-#include "kernel/stat.h"
 #include "user/user.h"
 
 char buf[512];