message: decrease count of function names when deleting a function
diff: @@ -127,6 +127,7 @@ const azureFunctions = (
  const newFunctionState = { ...state };
  if (newFunctionState.selection[0].functionNames) {
  newFunctionState.selection[0].functionNames.splice(action.payload, 1);
  + newFunctionState.selection[0].numFunctions--;
  }
  return newFunctionState;
  case AZURE_TYPEKEYS.SAVE_AZURE_FUNCTIONS_SETTINGS:
  