Removing Java related extensions and settings. (#11290)

Removing unused extensions and VS Code settings.

### Contribution Checklist

<!-- Before submitting this PR, please make sure: -->

- [ ] The code builds clean without any errors or warnings
- [ ] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [ ] All unit tests pass, and I have added new tests where possible
- [ ] I didn't break anyone 😄

Co-authored-by: Ben Thomas <[email protected]>
Co-authored-by: Roger Barreto <[email protected]>

Author: 3 people

.vscode/extensions.json

@@ -8,7 +8,6 @@
     "esbenp.prettier-vscode",
     "dbaeumer.vscode-eslint",
     "ms-semantic-kernel.semantic-kernel",
-    "emeraldwalk.RunOnSave",
     "ms-java.vscode-java-pack",
     "ms-azuretools.vscode-dapr"
   ]

.vscode/settings.json

@@ -82,16 +82,6 @@
       "source.fixAll": "never"
     }
   },
-  "emeraldwalk.runonsave": {
-    "commands": [
-      {
-        "match": "\\.java$",
-        "cmd": "java -Xmx128m -jar ${workspaceFolder}/java/utilities/google-java-format-1.17.0-all-deps.jar --replace --aosp ${file}"
-      }
-    ]
-  },
-  "java.debug.settings.onBuildFailureProceed": true,
-  "java.compile.nullAnalysis.mode": "disabled",
   "dotnet.defaultSolution": "dotnet\\SK-dotnet.sln",
   "python.testing.pytestArgs": ["python/tests"],
   "python.testing.unittestEnabled": false,