README,rpc: remove mention of "shh" RPC API (ethereum#25137)

Author: Zachinquarantine

README.md

@@ -184,7 +184,7 @@ HTTP based JSON-RPC API options:
   * `--ws.api` API's offered over the WS-RPC interface (default: `eth,net,web3`)
   * `--ws.origins` Origins from which to accept websockets requests
   * `--ipcdisable` Disable the IPC-RPC server
-  * `--ipcapi` API's offered over the IPC-RPC interface (default: `admin,debug,eth,miner,net,personal,shh,txpool,web3`)
+  * `--ipcapi` API's offered over the IPC-RPC interface (default: `admin,debug,eth,miner,net,personal,txpool,web3`)
   * `--ipcpath` Filename for IPC socket/pipe within the datadir (explicit paths escape it)
 
 You'll need to use your own programming environments' capabilities (libraries, tools, etc) to

rpc/subscription_test.go

@@ -48,7 +48,7 @@ func TestNewID(t *testing.T) {
 
 func TestSubscriptions(t *testing.T) {
 	var (
-		namespaces        = []string{"eth", "shh", "bzz"}
+		namespaces        = []string{"eth", "bzz"}
 		service           = &notificationTestService{}
 		subCount          = len(namespaces)
 		notificationCount = 3