Remove TODO. We won't cache LockPatternUtils

Test: make
Change-Id: Ifbe07dad012b863a5f99c443db6de66aaacc4b82
Fixs: 140034863
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityModel.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityModel.java
index 1395fd9..64b4d32 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityModel.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSecurityModel.java
@@ -75,7 +75,6 @@
             return SecurityMode.SimPin;
         }
 
-        // TODO(b/140034863)
         final int security = whitelistIpcs(() ->
                 mLockPatternUtils.getActivePasswordQuality(userId));
         switch (security) {