While using autoconf 2.71, the AM_MISSING_PROG caused unexpected error:
...
configure.ac: error: required file 'missing' not found
...
Since these tools were explicitly added by autotools bbclass,
remove the testing to workaround the error with autoconf 2.7
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>