Remove changes to 001-HelloWorld

The test 001-HelloWorld was turned into a copy of test 170 a while
ago. This returns test 001-HelloWorld to its original state as a pure
hello-world program.

Partial revert of commit 976b298a4e

Test: ./test.py --host -j50
Change-Id: I20b021ca54655cc84f4fd27b2d145c3054bbb8f5
1 file changed