Removing blockchain-team-signers specific review requirement from codeowners

Author: wileyj

.github/CODEOWNERS

@@ -4,12 +4,6 @@
 # require both blockchain-team-codeowners and blockchain-team-reviewers to review all PR's not specifically matched below
 * @stacks-network/blockchain-team-codeowners @stacks-network/blockchain-team-reviewers
 
-
-# Signer code
-# require both blockchain-team-codeowners and blockchain-team-signer to review PR's for the signer folder(s)
-libsigner/**/*.rs @stacks-network/blockchain-team-codeowners @stacks-network/blockchain-team-signer
-stacks-signer/**/*.rs @stacks-network/blockchain-team-codeowners @stacks-network/blockchain-team-signer
-
 # CI workflows
 #  require both blockchain-team-ci and blockchain-team-reviewers teams to review PR's modifying CI workflows
 /.github/workflows/ @stacks-network/blockchain-team-ci @stacks-network/blockchain-team-reviewers