Use the macro from linking/ rather than repeating the definition

[martin-cs]

• Each commit message has a non-empty body, explaining why the change was made.
• Methods or procedures I have added are documented, following the guidelines provided in CODING_STANDARD.md.
• The feature or user visible behaviour I have added or modified has been documented in the User Guide in doc/cprover-manual/
• Regression or unit tests are included, or existing tests cover the modified code (in this case I have detailed which ones those are in the commit message).
• My commit message includes data points confirming performance improvements (if claimed).
• My PR is restricted to a single feature or bugfix.
• White-space or formatting changes outside the feature-related changed lines are in commits of their own.

[codecov]

Codecov Report

Merging #5668 (a77fd31) into develop (c9c3ca6) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #5668   +/-   ##
========================================
  Coverage    69.42%   69.42%           
========================================
  Files         1243     1243           
  Lines       100632   100632           
========================================
  Hits         69861    69861           
  Misses       30771    30771           

Flag	Coverage Δ
cproversmt2	43.14% <ø> (ø)
regression	66.31% <ø> (ø)
unit	32.26% <ø> (ø)

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Impacted Files	Coverage Δ
...s/add_malloc_may_fail_variable_initializations.cpp	100.00% <ø> (ø)
src/statement-list/statement_list_entry_point.cpp	87.87% <ø> (ø)

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