[FLINK-10797][docs] Fix broken ide_setup links

Author: tisonkun

README.md

@@ -100,7 +100,7 @@ The IntelliJ IDE supports Maven out of the box and offers a plugin for Scala dev
 * IntelliJ download: [https://www.jetbrains.com/idea/](https://www.jetbrains.com/idea/)
 * IntelliJ Scala Plugin: [http://plugins.jetbrains.com/plugin/?id=1347](http://plugins.jetbrains.com/plugin/?id=1347)
 
-Check out our [Setting up IntelliJ](https://github.com/apache/flink/blob/master/docs/internals/ide_setup.md#intellij-idea) guide for details.
+Check out our [Setting up IntelliJ](https://ci.apache.org/projects/flink/flink-docs-master/flinkDev/ide_setup.html#intellij-idea) guide for details.
 
 ### Eclipse Scala IDE
 

pom.xml

@@ -1550,7 +1550,7 @@ under the License.
 						<dependency>
 							<groupId>com.puppycrawl.tools</groupId>
 							<artifactId>checkstyle</artifactId>
-							<!-- Note: match version with docs/internals/ide_setup.md -->
+							<!-- Note: match version with docs/flinkDev/ide_setup.md -->
 							<version>8.9</version>
 						</dependency>
 					</dependencies>