Revert "first commit"

This reverts commit ebf30399fb.

src/main/java/com/codechecker/model/FieldInfo.java

@@ -1,52 +0,0 @@
-package com.codechecker.model;
-
-import java.util.Objects;
-
-/**
- * 解析后的单个字段：名称、类型、业务说明（Schema/注释）。
- */
-public class FieldInfo {
-    private final String name;
-    private final String type;
-    private final String description;
-
-    public FieldInfo(String name, String type, String description) {
-        this.name = name;
-        this.type = type;
-        this.description = description == null ? "" : description;
-    }
-
-    /** 字段名 */
-    public String getName() {
-        return name;
-    }
-
-    /** 字段类型（简单名） */
-    public String getType() {
-        return type;
-    }
-
-    /** 字段说明文案 */
-    public String getDescription() {
-        return description;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) {
-            return true;
-        }
-        if (!(o instanceof FieldInfo)) {
-            return false;
-        }
-        FieldInfo other = (FieldInfo) o;
-        return Objects.equals(name, other.name)
-                && Objects.equals(type, other.type)
-                && Objects.equals(description, other.description);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(name, type, description);
-    }
-}