Update .gitignore file

- Exclude downloaded files inside .gitlab/
- Remove tooling related paths from gitignore because these should be handled by developers in their user gitignore using the command - `git config core.excludesFile $HOME/.gitignore`

.gitignore

@@ -9,17 +9,3 @@ __pycache__/
 
 # Exclude macOS .DS_Store files.
 .DS_Store
-
-# Exclude some Xcode stuff.
-xcuserdata
-*.xcuserdatad
-
-# Exclude VSCode settings and configuration folder
-*.vscode*
-
-# Exclude Visual Studio stuff
-.vs*
-CMakeSettings.json
-
-# Exclude QtCreator files ...
-CMakeLists.txt.user*

.gitlab/.gitignore

+# Exclude downloads generated by running the CI scripts locally.
+# ci/download_adios2.cmake
+/adios*
+# ci/buildcache.ps1
+/buildcache*
+# ci/download_chrome.cmake
+/chrome*
+# ci/cmake.{sh, ps1}
+/cmake*
+# ci/download_dawn.cmake
+/dawn*
+# ci/emsdk.{sh, ps1}
+/emsdk*
+# ci/download_java.cmake
+/jdk*
+# ci/download_maven.cmake
+/maven*
+# ci/ninja.{sh, ps1}
+/ninja*
+# ci/download_node.cmake
+/node*
+# ci/download_openxr.cmake
+/openxr*
+# ci/download_openxrremoting.cmake
+/openxrremoting*
+# ci/download_osmesa_windows.cmake
+/osmesa*
+# ci/download_python.cmake
+/python*
+# ci/download_qt.cmake
+/*d3dcompiler*
+/*opengl32sw*
+/*qt*
+# ci/sccache.sh
+/sccache*
+# ci/download_tbb.cmake
+/*tbb*
+# ci/download_mesa_egl.cmake
+/vtk-mesa-egl*
+# ci/download_osmesa.cmake
+/vtk-osmesa*