Revert output location addition (Azure#6)

Co-authored-by: Mitch Webster <[email protected]>

Author: miwebst

action.yml

@@ -19,11 +19,8 @@ inputs:
   api_location:
     description: "Directory location of the Azure Functions source code"
     required: false
-  output_location:
-    description: "Directory location of the compiled application code after building"
-    required: false
   app_artifact_location:
-    description: "Identical in use to output_location"
+    description: "Directory location of the compiled application code after building"
     required: false
   app_build_command:
     description: "Custom command for Oryx to run when building application source code"