Updated doc comments on measurement operations

[DmitryVasilevsky]

Moved important remarks into summary as only summary is visible in most cases. Removed description when it was a simple rewording of the summary.
For example, MeasureInteger resets its arguments, but it was not clear from the name or summary.

[github-actions]

Change in memory usage detected by benchmark.

Memory Report for 90430e5

Test	This Branch	On Main	Difference
compile core + standard lib	19600641 bytes	19601601 bytes	-960 bytes

[github-actions]

Change in memory usage detected by benchmark.

Memory Report for f73a1ac

Test	This Branch	On Main	Difference
compile core + standard lib	19600689 bytes	19601601 bytes	-912 bytes

[github-actions]

Change in memory usage detected by benchmark.

Memory Report for fb1e14c

Test	This Branch	On Main	Difference
compile core + standard lib	19600737 bytes	19601601 bytes	-864 bytes