Update CODEOWNERS to remove a maintainer (#11)

Removed '@hiero-ledger/hiero-contracts-committers' from global protection rule.

Signed-off-by: Ferparishuertas <fernando.paris@swirldslabs.com>

Author: Ferparishuertas

.github/CODEOWNERS

@@ -2,4 +2,4 @@
 ##### Global Protection Rule ######
 ###################################
 # NOTE: This rule is overriden by the more specific rules below. This is the catch-all rule for all files not covered by the more specific rules below.
-*                                               @hiero-ledger/github-maintainers @hiero-ledger/hiero-contracts-maintainers @hiero-ledger/hiero-contracts-committers 
+*                                               @hiero-ledger/github-maintainers @hiero-ledger/hiero-contracts-maintainers