Cleanup: Remove various unused functions related to loading nexes over SRPC

src/trusted/service_runtime/sel_ldr.h

Index: src/trusted/service_runtime/sel_ldr.h
diff --git a/src/trusted/service_runtime/sel_ldr.h b/src/trusted/service_runtime/sel_ldr.h
index 03bda134bac5242eab3ff5b25da2e2b8903c4cf1..5383ca6ce06ab4032d2fc01e551275f5befc2f3e 100644
--- a/src/trusted/service_runtime/sel_ldr.h
+++ b/src/trusted/service_runtime/sel_ldr.h
@@ -624,13 +624,6 @@ struct NaClAppThread *NaClGetThreadMu(struct NaClApp  *nap,
 
 void NaClAppInitialDescriptorHookup(struct NaClApp  *nap);
 
-void NaClCreateServiceSocket(struct NaClApp *nap);
-
-void NaClSetUpBootstrapChannel(struct NaClApp  *nap,
-                               NaClHandle      inherited_desc);
-
-void NaClSecureCommandChannel(struct NaClApp  *nap);
-
 /*
  * Loads the |nexe| as a NaCl app module.
  * The |load_cb| callback is invoked before the the |nexe| is loaded to allow
@@ -654,31 +647,8 @@ void NaClAppStartModule(struct NaClApp  *self,
 void NaClAppShutdown(struct NaClApp     *self,
                      int                exit_status);
 
-NaClErrorCode NaClWaitForLoadModuleCommand(struct NaClApp *nap) NACL_WUR;
-
 NaClErrorCode NaClGetLoadStatus(struct NaClApp *nap) NACL_WUR;
 
-NaClErrorCode NaClWaitForStartModuleCommand(struct NaClApp *nap) NACL_WUR;
-
-/*
- * NaClBlockIfCommandChannelExists is used during error exit.  If
- * there is a secure command channel, we sent an RPC reply with the
- * reason that the nexe was rejected.  If we exit immediately, that
- * reply may still be in-flight and the various channel closure (esp
- * reverse channels, if those were set up) may be detected first by
- * the controlling process on the other end of the command channel or
- * reverse channel.  When channel closure wins the race against the
- * RPC reply, it would result in a crash being reported, rather than
- * the error code carried in the RPC reply.  We want to ensure that
- * the RPC reply to get processed.  Instead of allowing the service
- * runtime process to exit, we block the main thread and wait for the
- * hard-shutdown on the command channel or command channel closure.
- *
- * If there is no command channel, NaClBlockIfCommandChannelExists
- * just returns immediately.
- */
-void NaClBlockIfCommandChannelExists(struct NaClApp *nap);
-
 void NaClFillMemoryRegionWithHalt(void *start, size_t size);
 
 void NaClFillTrampolineRegion(struct NaClApp *nap);