Remove the lock/unlock workaround from CameraService

bug - 2677772

Change-Id: I7c996daad8b3bfc89e9fa2d655dc18c9a5c68f2f
diff --git a/camera/libcameraservice/CameraService.cpp b/camera/libcameraservice/CameraService.cpp
index 4f684b7..690169a 100644
--- a/camera/libcameraservice/CameraService.cpp
+++ b/camera/libcameraservice/CameraService.cpp
@@ -371,10 +371,7 @@
 status_t CameraService::Client::checkPid() const {
     int callingPid = getCallingPid();
     if (callingPid == mClientPid) return NO_ERROR;
-    if (callingPid == getpid()) {
-        LOGW("FIXME: use camera from mediaserver without permission.");
-        return NO_ERROR;
-    }
+
     LOGW("attempt to use a locked camera from a different process"
          " (old pid %d, new pid %d)", mClientPid, callingPid);
     return EBUSY;