Remove Migration Guide v2.x to v3 from angular menu

docs/en/Migration-Guides/Index.md

@@ -1,4 +1,5 @@
 # ABP Framework Migration Guides
 
-* [ABP Framework 3.3.x to 4.0 Migration Guide](Abp-4_0.md)
+* [3.3.x to 4.0 Migration Guide](Abp-4_0.md)
+* [2.9.x to 3.0 Migration Guide](../UI/Angular/Migration-Guide-v3.md)
 

docs/en/docs-nav.json

@@ -685,10 +685,6 @@
         {
           "text": "Angular",
           "items": [
-            {
-              "text": "Migration Guide v2.x to v3",
-              "path": "UI/Angular/Migration-Guide-v3.md"
-            },
             {
               "text": "Quick Start",
               "path": "UI/Angular/Quick-Start.md"