Revert "add reuse alias (#1654)" (#1684)

This reverts commit 1093ae9.
vesoft-inc · Apr 21, 2022 · 8b081c0 · 8b081c0
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diff --git a/docs-2.0/3.ngql-guide/1.nGQL-overview/3.graph-patterns.md b/docs-2.0/3.ngql-guide/1.nGQL-overview/3.graph-patterns.md
@@ -36,13 +36,6 @@
 (a)-[]->()<-[]-(c)
 ```
 
-!!! note
-
-    模式中可以重复同一个点，例如：
-
-    - 自环表示为`(a)-[]->(a)`。
-    - 一个点有两条边指向另一个点表示为`(a)-[]->(b)<-[]-(a)`。
-
 ## Tag 模式
 
 !!! Note

diff --git a/docs-2.0/3.ngql-guide/7.general-query-statements/2.match.md b/docs-2.0/3.ngql-guide/7.general-query-statements/2.match.md
@@ -335,19 +335,6 @@ nebula> MATCH ()<-[e]-() \
 | [:follow "player103"->"player102" @0 {degree: 70}] |
 | [:follow "player135"->"player102" @0 {degree: 80}] |
 +----------------------------------------------------+
-
-nebula> MATCH (v:player)-[]->(t)<-[]-(v) \
-        RETURN DISTINCT  v,t;
-+---------------------------------------------------------+----------------------------------------+
-| v                                                       | t                                      |
-+---------------------------------------------------------+----------------------------------------+
-| ("player148" :player{age: 45, name: "Jason Kidd"})      | ("team213" :team{name: "Mavericks"})   |
-| ("player104" :player{age: 32, name: "Marco Belinelli"}) | ("team204" :team{name: "Spurs"})       |
-| ("player104" :player{age: 32, name: "Marco Belinelli"}) | ("team215" :team{name: "Hornets"})     |
-| ("player136" :player{age: 45, name: "Steve Nash"})      | ("team214" :team{name: "Suns"})        |
-| ("player116" :player{age: 34, name: "LeBron James"})    | ("team216" :team{name: "Cavaliers"})   |
-| ("player129" :player{age: 37, name: "Dwyane Wade"})     | ("team229" :team{name: "Heat"})        |
-+---------------------------------------------------------+----------------------------------------+
 ```
 
 ### 匹配 Edge type