Remove the Qt Source part

- Hoping this is not needed any more

.github/workflows/build.yaml

@@ -11,7 +11,7 @@ on: [push]
 
 env:
  QT_VERSION: "6.6.2"
- QT_CREATOR_VERSION: "13.0.0"
+ QT_CREATOR_VERSION: "14.0.0"
  QT_MIRRORS: download.qt.io;mirrors.ocf.berkeley.edu/qt;ftp.fau.de/qtproject;mirror.bit.edu.cn/qtproject
 
 # The Jobs
@@ -110,13 +110,6 @@ jobs:
  with:
  path: SpellChecker-Plugin
 
- # Just get the Qt Creator sources as well under $GITHUB_WORKSPACE/qtc_src, so your job can access it
- - uses: actions/checkout@v4
- with:
- repository: qt-creator/qt-creator
- ref: "v${{ env.QT_CREATOR_VERSION }}"
- path: qtc_src
-
  - name: System Packages
  shell: pwsh
  run: |
@@ -282,16 +275,6 @@ jobs:
  ${CMAKE_COMMAND} -E tar xvf ../${package}.7z WORKING_DIRECTORY qtcreator)
  endforeach()
 
- if ("${{ runner.os }}" STREQUAL "macOS")
- file(COPY
- "qtc_src/src/libs/3rdparty/syntax-highlighting/autogenerated/include/KSyntaxHighlighting/"
- DESTINATION "qtcreator/Qt Creator.app/Contents/Resources/Headers/qtcreator/src/libs/3rdparty/syntax-highlighting/autogenerated/include/KSyntaxHighlighting/")
- else()
- file(COPY
- "qtc_src/src/libs/3rdparty/syntax-highlighting/autogenerated/include/KSyntaxHighlighting/"
- DESTINATION "qtcreator/include/qtcreator/src/libs/3rdparty/syntax-highlighting/autogenerated/include/KSyntaxHighlighting/")
- endif()
-
  - name: Build Plugin
  shell: pwsh
  run: |