WMC_TOOL_SKIP revision

• Related issues: ivas-codec-pc/ivas-codec#1490
• Requested reviewers:

Reason why this change is needed

• Remove unnecessary instances of macro WMC_TOOL_SKIP
• Inconsistent use of swap() / SWAP()

Description of the change

• Remove unnecessary instances of macro WMC_TOOL_SKIP for more accurate estimation of complexity/memory.
• Count the complexity of swap().

Affected operating points

• All is BE.