refactor: Remove unused code and clean up FeatureItem composable

app/src/main/java/com/rosetta/messenger/ui/auth/WelcomeScreen.kt

@@ -303,15 +303,4 @@ private fun FeatureItem(
             fontWeight = FontWeight.Medium
         )
     }
-}
-            )
-        }
-        Spacer(modifier = Modifier.width(16.dp))
-        Text(
-            text = text,
-            fontSize = 15.sp,
-            color = textColor,
-            fontWeight = FontWeight.Medium
-        )
-    }
 }