Remove contexthub impl test exemption

The contexthub HAL now has a HAL implementation for cuttlefish so the
exemption is no longer needed.

Bug: 130077250
Test: presubmits
Change-Id: Ic03201289943943b98963e883cdc80c0fca944e1
diff --git a/tests/hal/hal_implementation_test.cpp b/tests/hal/hal_implementation_test.cpp
index d7b8691..e3b4927 100644
--- a/tests/hal/hal_implementation_test.cpp
+++ b/tests/hal/hal_implementation_test.cpp
@@ -48,7 +48,6 @@
     "android.hardware.broadcastradio@2.0",
     "android.hardware.cas.native@1.0",
     "android.hardware.confirmationui@1.0",
-    "android.hardware.contexthub@1.0",
     "android.hardware.configstore@1.1", // deprecated, see b/149050985, b/149050733
     "android.hardware.fastboot@1.0",
     "android.hardware.gnss.measurement_corrections@1.1", // is sub-interface of gnss