2102614 Add ensemble indexing support to [auto_mkindex].  Thanks Brian Griffin.
Remove duplicated tests. The enhancements to fCmd-30.[12] and the new test case fCmd-30.3 were backported from Tcl8.6, but the original tests were not removed.
Remove duplicated tests. The enhancements to fCmd-30.[12] and the new test case fCmd-30.3 were backported from Tcl8.6, but the original tests were not removed.
test suite hygiene