Remove an unused private function related to split apks.

base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java

Index: base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java
diff --git a/base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java b/base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java
index 5f18134397dc998f8c315943d3bab94804084bf6..626cb41b1a93020f6043055ad3cb0d3d448f3552 100644
--- a/base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java
+++ b/base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java
@@ -333,12 +333,6 @@ public class LibraryLoader {
         }
     }
 
-    // Returns whether the given split name is that of the ABI split.
-    private static boolean isAbiSplit(String splitName) {
-        // The split name for the ABI split is manually set in the build rules.
-        return splitName.startsWith("abi_");
-    }
-
     // The WebView requires the Command Line to be switched over before
     // initialization is done. This is okay in the WebView's case since the
     // JNI is already loaded by this point.