Remove root hello world handler

Author: francisco-videira-nhs

infrastructure/terraform/components/api/README.md

@@ -28,7 +28,6 @@ No requirements.
 |------|--------|---------|
 | <a name="module_authorizer_lambda"></a> [authorizer\_lambda](#module\_authorizer\_lambda) | git::https://github.com/NHSDigital/nhs-notify-shared-modules.git//infrastructure/modules/lambda | v2.0.4 |
 | <a name="module_get_letters"></a> [get\_letters](#module\_get\_letters) | git::https://github.com/NHSDigital/nhs-notify-shared-modules.git//infrastructure/modules/lambda | v2.0.10 |
-| <a name="module_hello_world"></a> [hello\_world](#module\_hello\_world) | git::https://github.com/NHSDigital/nhs-notify-shared-modules.git//infrastructure/modules/lambda | v2.0.10 |
 | <a name="module_kms"></a> [kms](#module\_kms) | git::https://github.com/NHSDigital/nhs-notify-shared-modules.git//infrastructure/modules/kms | v2.0.10 |
 | <a name="module_patch_letters"></a> [patch\_letters](#module\_patch\_letters) | git::https://github.com/NHSDigital/nhs-notify-shared-modules.git//infrastructure/modules/lambda | v2.0.10 |
 ## Outputs

infrastructure/terraform/components/api/module_lambda_hello_world.tf

@@ -1,4 +1,3 @@
 // Export all handlers for ease of access
 export { getLetters } from './handlers/get-letters';
 export { patchLetters } from './handlers/patch-letters';
-export { helloWorld } from './handlers/hello-world';