Java: Convert commons-io to data extensions.

Author: michaelnebel

java/ql/lib/ext/generated/org.apache.commons.io.model.yml

@@ -5,6 +5,5 @@
 import java
 
 private module GeneratedFrameworks {
-  private import apache.IOGenerated
   private import kotlin.StdLibGenerated
 }

java/ql/lib/semmle/code/java/dataflow/internal/NegativeSummary.qll

@@ -8,7 +8,6 @@
 
 import java
 import semmle.code.java.dataflow.internal.FlowSummaryImpl as FlowSummaryImpl
-import semmle.code.java.dataflow.internal.NegativeSummary
 import ExternalApi
 
 private predicate relevant(ExternalApi api) {

java/ql/lib/semmle/code/java/frameworks/GeneratedNegative.qll

@@ -5,4 +5,3 @@
 import java
 import semmle.code.java.dataflow.ExternalFlow
 import ModelValidation
-import semmle.code.java.dataflow.internal.NegativeSummary