[minor] Makefile.menhir bugfix for non-subsecond make systems
François Pottier reported that, on his mac machine, "make promote-menhir; make world" fails: it seemed that parsing/parser.ml, after being produced as a temporary file by the promote-menhir target, is not refreshed using the `parsing/parser.ml: boot/menhir/parser.ml` rule from Makefile (which does the MenhirLib->CamlinternalMenhirlib renaming). The issue comes down to the fact that while boot/menhir/parser.ml is always younger than the parsing/parser.ml produced by promote, the time difference is very small (parser.ml is copied in boot/ immediately after production), and macos doesn't record creation times with enough precision to notice it. This PR removes the temporary parsing/parser.ml created by Menhir in the promote-menhir rule, so that this file is not seen anymore by 'make world', and has to be properly reproduced from boot/.master
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@ -83,7 +83,7 @@ promote-menhir: parsing/parser.mly
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.PHONY: import-menhirLib
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import-menhirLib:
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mkdir -p boot/menhir
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cp \
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mv \
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$(addprefix `$(MENHIR) --suggest-menhirLib`/menhirLib.,ml mli) \
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boot/menhir
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