[ELF] Remove a test for a feature that is deprecated

test/elf/preload.sh

@@ -1,31 +0,0 @@
-#!/bin/bash
-export LC_ALL=C
-set -e
-CC="${CC:-cc}"
-CXX="${CXX:-c++}"
-GCC="${GCC:-gcc}"
-GXX="${GXX:-g++}"
-OBJDUMP="${OBJDUMP:-objdump}"
-MACHINE="${MACHINE:-$(uname -m)}"
-testname=$(basename "$0" .sh)
-echo -n "Testing $testname ... "
-cd "$(dirname "$0")"/../..
-mold="$(pwd)/mold"
-t=out/test/elf/$testname
-mkdir -p $t
-
-cat <<EOF | $CC -o $t/a.o -c -xc -
-#include <stdio.h>
-int main() {
-  printf("Hello world\n");
-}
-EOF
-
-rm -f $t/exe
-
-$CC -B. -o $t/exe $t/a.o -Wl,-preload 2> /dev/null
-! test -e $t/exe || false
-$CC -B. -o $t/exe $t/a.o 2> /dev/null
-$QEMU $t/exe | grep -q 'Hello world'
-
-echo OK