Revert "Sample code for KL46 UART0 wakeup from VLPS"

This reverts commit de547881aa1c4872446039176a1df6456a2b1f7c.

Revert "Sample code for KL46 ADC module usage"

This reverts commit
182023024e99fecf37ecf4aa9a1558c70b3a7013.