Removed tpike. It no longer serves any purpose since an external pike is

needed anyway to build from cvs. The targets that used it use precompile.sh
now.

Rev: src/Makefile.in:1.348
Rev: src/aclocal.m4:1.61
Rev: src/configure.in:1.693
Rev: src/make_variables.in:1.12
Rev: src/precompile.sh.in:1.36