Update CODEOWNERS

.github/CODEOWNERS

@@ -6,7 +6,7 @@
 # @global-owner1 and @global-owner2 will be requested for
 # review when someone opens a pull request.
 #*       @global-owner1 @global-owner2
-*       @aidan-kwon @blukat29 @yoomee1313
+*       @aidan-kwon @blukat29 @yoomee1313 @ian0371
 
 # Order is important; the last matching pattern takes the most
 # precedence. When someone opens a pull request that only
@@ -37,25 +37,3 @@
 # directory in the root of your repository.
 #/docs/ @doctocat
 
-/.circleci/    @yoomee1313 @JayChoi1736 @2dvorak @sjnam
-/.github/      @yoomee1313 @JayChoi1736 @2dvorak @sjnam
-/accounts/     @blukat29 @hyunsooda @2dvorak @kjeom @JayChoi1736
-/api/          @blukat29 @hyunsooda @2dvorak @kjeom @JayChoi1736
-/blockchain/   @yoomee1313 @sjnam @ian0371 @hyeonLewis
-/build/        @yoomee1313 @JayChoi1736 @2dvorak @sjnam
-/client/       @blukat29 @hyunsooda @2dvorak @kjeom @JayChoi1736
-/cmd/          @blukat29 @hyunsooda @2dvorak @kjeom @JayChoi1736
-/consensus/    @blukat29 @ian0371 @hyeonLewis
-/console/      @blukat29 @hyunsooda @2dvorak @kjeom @JayChoi1736
-/contracts/    @blukat29 @ian0371 @hyeonLewis
-/crypto/       @blukat29 @ian0371 @hyeonLewis
-/datasync/     @aidan-kwon @blukat29 @jeongkyun-oh
-/db_migration/ @aidan-kwon @blukat29 @jeongkyun-oh
-/governance/   @blukat29 @ian0371 @hyeonLewis
-/networks/     @yoomee1313 @JayChoi1736 @2dvorak @sjnam
-/node/         @blukat29 @hyunsooda @2dvorak @kjeom @JayChoi1736
-/params/       @yoomee1313 @sjnam @ian0371 @hyeonLewis
-/reward/       @blukat29 @ian0371 @hyeonLewis
-/snapshot/     @aidan-kwon @blukat29 @jeongkyun-oh
-/storage/      @aidan-kwon @blukat29 @jeongkyun-oh
-/work/         @yoomee1313 @sjnam @ian0371 @hyeonLewis