logic around test on hlm_pft_map test plus a couple other things

[ckoven]

this fixes the issue noted here: #782 (comment) where the hlm_pft_map test was happening even when fixed_biogeog was not true.

also some other tiny things that have been building up in a cleaning branch: there was an unused patch variable repro in EDTypesMod that I deleted, and there was some incorrect documentation in FatesAllometryMod that I fixed.

Should be b4b.

Checklist:

• My change requires a change to the documentation.
• I have updated the in-code documentation .AND. (the technical note .OR. the wiki) accordingly.
• I have read the CONTRIBUTING document.
• FATES PASS/FAIL regression tests were run
• If answers were expected to change, evaluation was performed and provided

Not yet tested, except to confirm that it builds and runs.

Test Results:

CTSM (or) E3SM (specify which) test hash-tag:

CTSM (or) E3SM (specify which) baseline hash-tag:

FATES baseline hash-tag:

Test Output:

[rgknox]

Thanks!