fix(template): solved redundant filess

leetcode_helper.sh

@@ -337,9 +337,9 @@ EOF
     # 建立 C# 專案
     mkdir -p "$problem_dir/csharp"
     cd "$problem_dir/csharp"
-    dotnet new console -n "Problem$number" --force > /dev/null 2>&1
+    dotnet new console --force > /dev/null 2>&1
     
-    # 建立 C# 解法檔案
+    # 覆寫自動生成的 Program.cs
     cat > "Program.cs" << EOF
 // LeetCode $number: $(echo "$name" | tr '-' ' ' | sed 's/\b\w/\u&/g')
 // 難度: $difficulty
@@ -430,7 +430,7 @@ EOF
     echo "├── README.md"
     echo "├── csharp/"
     echo "│   ├── Program.cs"
-    echo "│   └── Problem$number.csproj"
+    echo "│   └── *.csproj"
     echo "├── go/"
     echo "│   ├── main.go"
     echo "│   └── go.mod"