tools: post test-runner rewrite cleanup

Removed test-runner.c, and renamed py_runner to test-runner. Removed
tools/test-runner from .gitignore.

This was done as a separate commit to avoid a nasty diff between the
existing test runner, and the new python version

.gitignore

@@ -33,7 +33,6 @@ wired/ead.8
 wired/ead.service
 tools/hwsim
 tools/hwsim.1
-tools/test-runner
 tools/probe-req
 unit/test-cmac-aes
 unit/test-arc4

Makefile.am

@@ -366,13 +366,6 @@ man_MANS += tools/hwsim.1
 endif
 endif
 
-if TOOLS
-noinst_PROGRAMS += tools/test-runner
-
-tools_test_runner_SOURCES = tools/test-runner.c
-tools_test_runner_LDADD = $(ell_ldadd)
-endif
-
 unit_tests = unit/test-cmac-aes \
 		unit/test-hmac-md5 unit/test-hmac-sha1 unit/test-hmac-sha256 \
 		unit/test-prf-sha1 unit/test-kdf-sha256 \