Revert "ANDROID: splice: modify interpreter for Android"

This reverts commit 9810a910f7c0034fcf8199345b38378d1d19c36f.
It is unnecessary since the kselftest VTS test harness replaces
instances of #!/bin/sh with #!/system/bin/sh.

Test: run vts-kernel -m VtsKernelLinuxKselftestStaging
Change-Id: I809862e8981ae5fa4a9624d15b1740fc8b2692f2
Signed-off-by: Steve Muckle <smuckle@google.com>
diff --git a/tools/testing/selftests/splice/default_file_splice_read.sh b/tools/testing/selftests/splice/default_file_splice_read.sh
index 3704ede..1ea2ade 100755
--- a/tools/testing/selftests/splice/default_file_splice_read.sh
+++ b/tools/testing/selftests/splice/default_file_splice_read.sh
@@ -1,4 +1,4 @@
-#!/system/bin/sh
+#!/bin/sh
 n=`./default_file_splice_read </dev/null | wc -c`
 
 test "$n" = 0 && exit 0