Remove Xcode_14.3.1 CI matrix due to Swift 5.8 being incompatible with swift-system 1.5+

Author: marcprux

.github/workflows/main.yml

@@ -14,14 +14,6 @@ jobs:
     strategy:
       matrix:
         include:
-          # Swift 5.8.1
-          - os: macos-13
-            xcode: Xcode_14.3.1
-            development-toolchain-tag: swift-DEVELOPMENT-SNAPSHOT-2024-10-08-a
-            wasi-swift-sdk-download: "https://github.com/swiftwasm/swift/releases/download/swift-wasm-DEVELOPMENT-SNAPSHOT-2024-10-15-a/swift-wasm-DEVELOPMENT-SNAPSHOT-2024-10-15-a-wasm32-unknown-wasi.artifactbundle.zip"
-            wasi-swift-sdk-id: DEVELOPMENT-SNAPSHOT-2024-10-15-a-wasm32-unknown-wasi
-            wasi-swift-sdk-checksum: "229cd9d3b0ed582c7ef7c3064888ad78764e4743b5a770df92554a94513f53fb"
-            test-args: ""
           # Swift 5.9.0
           - os: macos-13
             xcode: Xcode_15.0.1