update build to use Xcode 16.3, remove commented out Xcode references

.github/workflows/add_identifiers.yml

@@ -14,10 +14,6 @@ jobs:
     needs: validate
     runs-on: macos-15
     steps:
-      # Uncomment to manually select latest Xcode if needed
-      #- name: Select Latest Xcode
-      #  run: "sudo xcode-select --switch /Applications/Xcode_16.2.app/Contents/Developer"
-      
       # Checks-out the repo
       - name: Checkout Repo
         uses: actions/checkout@v4

.github/workflows/build_trio.yml

@@ -200,7 +200,7 @@ jobs:
       )
     steps:
       - name: Select Xcode version
-        run: "sudo xcode-select --switch /Applications/Xcode_16.2.app/Contents/Developer"
+        run: "sudo xcode-select --switch /Applications/Xcode_16.3.app/Contents/Developer"
       
       - name: Checkout Repo for syncing
         if: |

.github/workflows/create_certs.yml

@@ -26,10 +26,6 @@ jobs:
       new_certificate_needed: ${{ steps.set_output.outputs.new_certificate_needed }}
 
     steps:
-      # Uncomment to manually select latest Xcode if needed
-      #- name: Select Latest Xcode
-      #  run: "sudo xcode-select --switch /Applications/Xcode_16.2.app/Contents/Developer"
-      
       # Checks-out the repo
       - name: Checkout Repo
         uses: actions/checkout@v4