[C] Remove TODOs as code is sufficient for cached clock.
[C] Remove TODOs as code is sufficient for cached clock.

mikeb01/Aeron,real-logic/Aeron,EvilMcJerkface/Aeron,real-logic/Aeron,mikeb01/Aeron,mikeb01/Aeron,mikeb01/Aeron,EvilMcJerkface/Aeron,EvilMcJerkface/Aeron,real-logic/Aeron,EvilMcJerkface/Aeron,real-logic/Aeron