chore: Remove beta 26.1 references in CI workflows (#6918)

* fix: Remove beta 26.1 references in CI workflows

* Update comment

Author: itaybre

.github/workflows/ui-tests.yml

@@ -136,7 +136,7 @@ jobs:
             platform: "iOS"
             device: iPhone 16 Pro
 
-          # iOS 26 - Download iOS 26.1 beta runtime on macOS-26
+          # iOS 26 - Use pre-installed iOS 26.1 runtime on macOS-26
           - job_id: ios_26
             name: iOS 26
             runs_on: tahoe

.github/workflows/unit-test-common.yml

@@ -85,8 +85,6 @@ jobs:
         run: gem install slather
 
       # Install platform runtimes that are not included by default
-      # For iOS 16.4: Not included with Xcode 15.4 on macOS-14 (macOS-13 sunset)
-      # For iOS/tvOS 26.1: Beta platforms not included by default
       - name: Install required platforms
         if: ${{ inputs.install_platforms }}
         env: