MINOR: redundant gradle expression is removed (#19200)

Note: this is a #18018 offshoot.

See this comment made by @Goooler:
#18018 (comment)


![image](https://github.com/user-attachments/assets/c41acba6-9f2a-44a5-b47f-60a4d7078100)


Reviewers: Apoorv Mittal <[email protected]>, David Arthur <[email protected]>, Goooler <[email protected]>

Author: dejan2609

build.gradle

@@ -369,7 +369,6 @@ subprojects {
 
             // Fix for avoiding inclusion of runtime dependencies marked as 'shadow' in MANIFEST Class-Path.
             // https://github.com/GradleUp/shadow/issues/324
-            afterEvaluate {
               pom.withXml { xml ->
                 def dependenciesNode = xml.asNode().get('dependencies') ?: xml.asNode().appendNode('dependencies')
                 project.configurations.shadowed.allDependencies.each {
@@ -380,7 +379,6 @@ subprojects {
                   dependencyNode.appendNode('scope', 'runtime')
                 }
               }
-            }
           }
 
           afterEvaluate {