Revert "Add a function to count the number of characters in a UTF8 string"
Revert "Add a function to count the number of characters in a UTF8 string"

This reverts commit a5dec5634f35ea9bda2a5f12b6cefd93b3dd55c3.

This function is not needed and not thoroughly tested

Pointillistic/rebol-lang,Pointillistic/rebol-lang,zsx/r3,zsx/r3,Pointillistic/rebol-lang,zsx/r3,Pointillistic/rebol-lang,zsx/r3