Revert "Initial commit - work done up through 11 Feb 2020"

This reverts commit 2bc7401904.

stdlib/abort.c

@@ -1,15 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-
-__attribute__((__noreturn__))
-void abort(void) {
-#if defined(__is_libk)
-  /* TODO: Add proper kernel panic */
-  printf("kernel: panic: abort()\n");
-#else
-  /* TODO: Abnormally terminate process like by SIGABRT */
-  printf("abort()\n");
-#endif
-  while(1) {}
-  __builtin_unreachable();
-}

stdlib/abort.libk.d

@@ -1,2 +0,0 @@
-stdlib/abort.libk.o: stdlib/abort.c include/stdio.h include/sys/cdefs.h \
- include/stdlib.h