Revert of Fix DexLoaderTest#testLoadAfterDeleteCachedDexes() flakiness

chrome/android/webapk/shell_apk/javatests/canary_lib/BUILD.gn

Index: chrome/android/webapk/shell_apk/javatests/canary_lib/BUILD.gn
diff --git a/chrome/android/webapk/shell_apk/javatests/canary_lib/BUILD.gn b/chrome/android/webapk/shell_apk/javatests/canary_lib/BUILD.gn
index 4a4eab4ed6619d4d98eeee93ae5d1e1f7329ddd3..6ec24f7f1528a30b5a47bcbb28e50a45309ac630 100644
--- a/chrome/android/webapk/shell_apk/javatests/canary_lib/BUILD.gn
+++ b/chrome/android/webapk/shell_apk/javatests/canary_lib/BUILD.gn
@@ -9,14 +9,8 @@
   java_files = [ "src/org/chromium/webapk/shell_apk/test/canary/Canary.java" ]
 }
 
-android_library("canary_lib2") {
-  dex_path = "$target_gen_dir/canary2.dex"
-  java_files = [ "src/org/chromium/webapk/shell_apk/test/canary/Canary2.java" ]
-}
-
-# dex assets added to dex_optimizer_apk in order to test creating ClassLoader
+# dex asset added to dex_optimizer_apk in order to test creating ClassLoader
 # from .dex in remote APK.
-
 android_assets("canary_dex_asset") {
   sources = [
     "$target_gen_dir/canary.dex",
@@ -26,13 +20,3 @@
     ":canary_lib",
   ]
 }
-
-android_assets("canary_dex_asset2") {
-  sources = [
-    "$target_gen_dir/canary2.dex",
-  ]
-  disable_compression = true
-  deps = [
-    ":canary_lib2",
-  ]
-}