Cleanup bicepconfig (radius-project#8012)

# Description

Some experimental features in the bicepconfig were consolidated in the
Bicep repo: Azure/bicep#14944. This PR removes
the unnecessary features.

## Type of change

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- This pull request is a minor refactor, code cleanup, test improvement,
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Fixes: #issue_number

## Contributor checklist
Please verify that the PR meets the following requirements, where
applicable:

- [ ] An overview of proposed schema changes is included in a linked
GitHub issue.
- [ ] A design document PR is created in the [design-notes
repository](https://github.com/radius-project/design-notes/), if new
APIs are being introduced.
- [ ] If applicable, design document has been reviewed and approved by
Radius maintainers/approvers.
- [x] A PR for the [samples
repository](https://github.com/radius-project/samples) is created, if
existing samples are affected by the changes in this PR. PR:
radius-project/samples#1879
- [x] A PR for the [documentation
repository](https://github.com/radius-project/docs) is created, if the
changes in this PR affect the documentation or any user facing updates
are made. PR: radius-project/docs#1265
- [x] A PR for the [recipes
repository](https://github.com/radius-project/recipes) is created, if
existing recipes are affected by the changes in this PR. PR:
radius-project/recipes#80

Signed-off-by: sk593 <shruthikumar@microsoft.com>

.github/workflows/functional-test-cloud.yaml

@@ -392,9 +392,7 @@ jobs:
           cat <<EOF > ./test/bicepconfig.json
           {
             "experimentalFeaturesEnabled": {
-              "extensibility": true,
-              "extensionRegistry": true,
-              "dynamicTypeLoading": true
+              "extensibility": true
             },
             "extensions": {
               "radius": "br:${{ env.BICEP_TYPES_REGISTRY }}/test/radius:$RADIUS_VERSION",
@@ -696,9 +694,7 @@ jobs:
           cat <<EOF > ./test/bicepconfig.json
           {
             "experimentalFeaturesEnabled": {
-              "extensibility": true,
-              "extensionRegistry": true,
-              "dynamicTypeLoading": true
+              "extensibility": true
             },
             "extensions": {
               "radius": "br:${{ env.BICEP_TYPES_REGISTRY }}/test/radius:$RADIUS_VERSION",

.github/workflows/functional-test-noncloud.yaml

@@ -338,9 +338,7 @@ jobs:
           cat <<EOF > ./test/bicepconfig.json
           {
             "experimentalFeaturesEnabled": {
-              "extensibility": true,
-              "extensionRegistry": true,
-              "dynamicTypeLoading": true
+              "extensibility": true
             },
             "extensions": {
               "radius": "br:${{ env.LOCAL_REGISTRY_SERVER }}:${{ env.LOCAL_REGISTRY_PORT }}/radius:$RADIUS_VERSION",

bicepconfig.json

@@ -1,8 +1,6 @@
 {
 	"experimentalFeaturesEnabled": {
-		"extensibility": true,
-		"extensionRegistry": true,
-		"dynamicTypeLoading": true
+		"extensibility": true
 	},
 	"extensions": {
 		"radius": "br:biceptypes.azurecr.io/radius:latest",

docs/contributing/contributing-code/contributing-code-schema-changes/README.md

@@ -85,9 +85,7 @@ Note: Alternatively, if you already have the Radius CLI installed, you can choos
     ```json
     {
         "experimentalFeaturesEnabled": {
-            "extensibility": true,
-            "extensionRegistry": true,
-            "dynamicTypeLoading": true
+            "extensibility": true
         },
         "extensions": {
             "radius": "<file-path>",

pkg/cli/setup/application.go

@@ -52,9 +52,7 @@ resource demo 'Applications.Core/containers@2023-10-01-preview' = {
 
 	bicepConfigTemplate = `{
 	"experimentalFeaturesEnabled": {
-		"extensibility": true,
-		"extensionRegistry": true,
-		"dynamicTypeLoading": true
+		"extensibility": true
 	},
 	"extensions": {
 		"radius": "br:biceptypes.azurecr.io/radius:%s",