Closes #54 align terminology in data with get_terms() function

[zdz2101]

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[github-actions]

Package	Line Rate	Health
pharmaversesdtm	0%	❌
Summary	0% (0 / 41)	❌

[zdz2101]

Some context: the checks in pharmaverse/admiral#2057 were failing because it was not able to fetch the admiral_smq_db and admiral_sdg_db using the get_terms() function which is to be expected with the removal of "admiral_" in the name under data.R . By swapping out instances of "admiral_" in the get_terms() function, it should resolve the previously mentioned pull request

[kaz462]

@zdz2101 Thanks a lot for fixing this issue!