Refactor getBuiltInMacros() to be SBSv1 specific. This are the hard-coded macros misc macros we are adding for SBSv1.
For SBSv2, they are retrieved from the sbs config query. Also, clean up some API and comments on public APIS
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<toc label="Symbian Developer Library" >
<anchor id="anchorSymbianDevLib" /> <!-- Symbian Developer Library -->
<anchor id="anchorCarbideExample" /> <!-- Examples -->
<anchor id="anchorLegal" /> <!-- License info, copyright, trademarks, disclaimers, notices -->
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