Delete disableBandwidthControl since it is never called

Test: TH
Change-Id: Iaf33fb8e615effe9742089ab0c4ae0259e342227
diff --git a/server/BandwidthController.cpp b/server/BandwidthController.cpp
index 6be5922..4186f03 100644
--- a/server/BandwidthController.cpp
+++ b/server/BandwidthController.cpp
@@ -287,12 +287,6 @@
     return iptablesRestoreFunction(V4V6, commands, nullptr);
 }
 
-int BandwidthController::disableBandwidthControl() {
-
-    flushCleanTables(false);
-    return 0;
-}
-
 std::string BandwidthController::makeDataSaverCommand(IptablesTarget target, bool enable) {
     std::string cmd;
     const char *chainName = "bw_data_saver";
diff --git a/server/BandwidthController.h b/server/BandwidthController.h
index 2a3b4bd..8e3e1ff 100644
--- a/server/BandwidthController.h
+++ b/server/BandwidthController.h
@@ -34,7 +34,6 @@
     int setupIptablesHooks();
 
     int enableBandwidthControl();
-    int disableBandwidthControl();
     int enableDataSaver(bool enable);
 
     int setInterfaceSharedQuota(const std::string& iface, int64_t bytes);
diff --git a/server/BandwidthControllerTest.cpp b/server/BandwidthControllerTest.cpp
index 844681d..546a738 100644
--- a/server/BandwidthControllerTest.cpp
+++ b/server/BandwidthControllerTest.cpp
@@ -204,26 +204,6 @@
     expectSetupCommands(expectedClean, expectedAccounting);
 }
 
-TEST_F(BandwidthControllerTest, TestDisableBandwidthControl) {
-    // Pretend some bw_costly_shared_<iface> rules already exist...
-    addIptablesRestoreOutput(
-        "-P OUTPUT ACCEPT\n"
-        "-N bw_costly_rmnet_data0\n"
-        "-N bw_costly_shared\n"
-        "-N unrelated\n"
-        "-N bw_costly_rmnet_data7\n");
-
-    // ... and expect that they be flushed.
-    std::string expectedCleanCmds =
-        "*filter\n"
-        ":bw_costly_rmnet_data0 -\n"
-        ":bw_costly_rmnet_data7 -\n"
-        "COMMIT\n";
-
-    mBw.disableBandwidthControl();
-    expectSetupCommands(expectedCleanCmds, "");
-}
-
 TEST_F(BandwidthControllerTest, TestEnableDataSaver) {
     mBw.enableDataSaver(true);
     std::string expected4 =