Remove extra classes instead of increasing agent jar size

Author: sarahchen6

dd-java-agent/build.gradle

@@ -42,6 +42,7 @@ ext.generalShadowJarConfig = {
   exclude '**/module-info.class'
   exclude '**/liblz4-java.so'
   exclude '**/liblz4-java.dylib'
+  exclude '**/inst/META-INF/versions/**'
 
   // Replaced by 'instrumenter.index', no need to include original service file
   exclude '**/META-INF/services/datadog.trace.agent.tooling.InstrumenterModule'
@@ -291,7 +292,7 @@ tasks.register('checkAgentJarSize').configure {
   doLast {
     // Arbitrary limit to prevent unintentional increases to the agent jar size
     // Raise or lower as required
-    assert shadowJar.archiveFile.get().getAsFile().length() <= 35 * 1024 * 1024
+    assert shadowJar.archiveFile.get().getAsFile().length() <= 31 * 1024 * 1024
   }
 
   dependsOn "shadowJar"