fix(contribs): revert back to make <action>.<program> syntax instead of the opposite

[thehowl]

Please, can we take a bit of care when modifying the syntaxes of our makefile commands?

They may not break code, but they break documentation and user flows. We can add a CI check as well; I see this for another PR as this is a hotfix. (Currently, running make install / make install.gnodev in the top-level directory doesn't work; because @moul inverted these in #1945). This is still not a substitute for a bit of good ol' attention in recognising when something is user-facing and thus should be changed with a bit more care and reason.

Note, I'm NOT saying that we should not change things, as we are before any 1.0 so we should change anything that makes sense; but it is a good practice that when changing a flag, command, etc., to do a global search for the old syntax to see examples where old documentation or untested code is broken.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.61%. Comparing base (719ee92) to head (2da31bf).
Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2353   +/-   ##
=======================================
  Coverage   54.61%   54.61%           
=======================================
  Files         581      581           
  Lines       77962    77962           
=======================================
  Hits        42579    42579           
  Misses      32208    32208           
  Partials     3175     3175           

Flag	Coverage Δ
contribs/gnodev	23.81% <ø> (ø)
contribs/gnofaucet	14.46% <ø> (ø)
contribs/gnokeykc	0.00% <ø> (ø)
contribs/gnomd	0.00% <ø> (ø)

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