Fix deployment by removing redis (#165)

## Purpose
<!-- Describe the intention of the changes being proposed. What problem
does it solve or functionality does it add? -->
* ...

Redis is blocking `azd up` to work, so removing redis from bicep
temperorily before figuring out what's going wrong

## Does this introduce a breaking change?
<!-- Mark one with an "x". -->
```
[x] Yes
[ ] No
```

## Pull Request Type
What kind of change does this Pull Request introduce?

<!-- Please check the one that applies to this PR using "x". -->
```
[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:
```

## How to Test
*  Get the code

```
git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install
```

* Test the code
<!-- Add steps to run the tests suite and/or manually test -->
```
```

## What to Check
Verify that the following are valid
* ...

## Other Information
<!-- Add any other helpful information that may be needed here. -->

app/backend/Services/ReadRetrieveReadChatService.cs

@@ -87,9 +87,10 @@ standard plan AND dental AND employee benefit.
 
         if (string.IsNullOrEmpty(documentContents))
         {
-            documentContents = "no source available";
+            documentContents = "no source available.";
         }
 
+        Console.WriteLine(documentContents);
         // step 3
         // put together related docs and conversation history to generate answer
         var answerChat = chat.CreateNewChat($@"You are a system assistant who helps the company employees with their healthcare plan questions, and questions about the employee handbook. Be brief in your answers");
@@ -111,7 +112,7 @@ standard plan AND dental AND employee benefit.
 
 You answer needs to be a json object with the following format.
 {{
-    ""answer"": // the answer to the question, remember to reference the source for each fact you use in the response. e.g. Apple is a fruit[reference1.pdf]. If no source is provided, put the answer as I don't know.
+    ""answer"": // the answer to the question, add a source reference to the end of each sentence. e.g. Apple is a fruit [reference1.pdf]. If no source available, put the answer as I don't know.
     ""thoughts"": // brief thoughts on how you came up with the answer, e.g. what sources you used, what you thought about, etc.
 }}");
 

infra/main.bicep

@@ -248,23 +248,24 @@ module web './app/web.bicep' = {
     openAiEndpoint: openAi.outputs.endpoint
     openAiChatGptDeployment: chatGptDeploymentName
     openAiEmbeddingDeployment: embeddingDeploymentName
-    serviceBinds: [ redis.outputs.serviceBind ]
+    // serviceBinds: [ redis.outputs.serviceBind ]
+    serviceBinds: []
   }
 }
 
 // this launches a redis instance inside of the ACA env
-module redis 'core/host/container-app.bicep' = {
-  name: 'redis'
-  scope: resourceGroup
-  params: {
-    name: 'redis'
-    location: location
-    tags: updatedTags
-    containerAppsEnvironmentName: containerApps.outputs.environmentName
-    containerRegistryName: containerApps.outputs.registryName
-    serviceType: 'redis'
-  }
-}
+// module redis 'core/host/container-app.bicep' = {
+//   name: 'redis'
+//   scope: resourceGroup
+//   params: {
+//     name: 'redis'
+//     location: location
+//     tags: updatedTags
+//     containerAppsEnvironmentName: containerApps.outputs.environmentName
+//     containerRegistryName: containerApps.outputs.registryName
+//     serviceType: 'redis'
+//   }
+// }
 
 // Monitor application with Azure Monitor
 module monitoring 'core/monitor/monitoring.bicep' = {
@@ -496,7 +497,7 @@ output AZURE_OPENAI_EMBEDDING_DEPLOYMENT string = embeddingDeploymentName
 output AZURE_OPENAI_ENDPOINT string = openAi.outputs.endpoint
 output AZURE_OPENAI_RESOURCE_GROUP string = openAiResourceGroup.name
 output AZURE_OPENAI_SERVICE string = openAi.outputs.name
-output AZURE_REDIS_CACHE string = redis.outputs.name
+// output AZURE_REDIS_CACHE string = redis.outputs.name
 output AZURE_RESOURCE_GROUP string = resourceGroup.name
 output AZURE_SEARCH_INDEX string = searchIndexName
 output AZURE_SEARCH_SERVICE string = searchService.outputs.name