Merge pull request #1120 from dfinity/NINJA-399-deduplicate-examples-repo-whoami-who-am-i

chore: dedupe whoami examples

Author: letmejustputthishere

.github/CODEOWNERS

@@ -47,7 +47,6 @@
 /motoko/token_transfer/ @dfinity/growth
 /motoko/token_transfer_from/ @dfinity/growth
 /motoko/vetkd/ @dfinity/crypto-team
-/motoko/whoami/ @dfinity/growth
 /motoko/who_am_i/ @dfinity/ninja-devs
 
 /native-apps/unity_ii_applink/ @dfinity/sdk

.github/workflows/motoko-whoami-example.yaml

@@ -8,7 +8,7 @@ These examples show the Motoko language as a backend language for the IC, operat
 
 - [`counter`](https://github.com/dfinity/examples/tree/master/motoko/counter) -- basic (stable) variable demo.
 - [`hello_cycles`](https://github.com/dfinity/examples/tree/master/motoko/hello_cycles) -- basic cycles demo.
-- [`whoami`](https://github.com/dfinity/examples/tree/master/motoko/whoami) -- basic caller identification demo.
+- [`who_am_i`](https://github.com/dfinity/examples/tree/master/motoko/who_am_i) -- basic caller identification demo.
 
 ### Intermediate