[obish] Zap m* methods

[Andrew Cagney]

> Actually, I would like to keep the init_malloc in selftest.exp.
> 
> Here's why.  When I look for regressions in gdb, I use the current
> test suite with the old gdb and the new gdb.  So it helps if the
> current test suite doesn't do "default { fail; return }" when I
> run it with gdb 6.2.  I can live with the "fail" but it's the
> "return" that kills me, by killing the rest of selftest.exp.
> 
> This is going to get a bit more important than usual because test suites
> before the current test suite don't work well with gcc 3.5 prerelease.
> (Current test suite still has problems but I'm working on them).
> 
> Andrew, okay with you if I put the init_malloc back?

Ok, not so obish then, can you, I'm mid way through testing step.

Andrew