DO NOT MERGE Remove references of telephony-stubs.

Since it's not used for now.

Test: TH
Bug: 153304048
Merged-in: I1812818c3d49463c3840a98212bbab58a110359a
Change-Id: I1812818c3d49463c3840a98212bbab58a110359a

Tethering/Android.bp

@@ -34,7 +34,6 @@ java_defaults {
     ],
     libs: [
         "framework-tethering",
-        "framework-telephony-stubs",
         "framework-wifi-stubs-systemapi",
         "unsupportedappusage",
     ],

Tethering/tests/unit/Android.bp

@@ -38,7 +38,6 @@ java_defaults {
         "ext",
         "framework-minus-apex",
         "framework-res",
-        "framework-telephony-stubs",
         "framework-tethering",
         "framework-wifi-stubs-module_libs_api",
     ],