Remove deprecated submodules.

.gitmodules

@@ -16,9 +16,6 @@
 [submodule "submodules/msamr"]
 	path = submodules/msamr
 	url = git://git.linphone.org/msamr.git
-[submodule "submodules/msilbc"]
-	path = submodules/msilbc
-	url = git://git.linphone.org/msilbc.git
 [submodule "submodules/msopenh264"]
 	path = submodules/msopenh264
 	url = git://git.linphone.org/msopenh264.git
@@ -28,9 +25,6 @@
 [submodule "submodules/mswasapi"]
 	path = submodules/mswasapi
 	url = git://git.linphone.org/mswasapi.git
-[submodule "submodules/libilbc-rfc3951"]
-	path = submodules/libilbc-rfc3951
-	url = git://git.linphone.org/libilbc-rfc3951.git
 [submodule "submodules/msx264"]
 	path = submodules/msx264
 	url = git://git.linphone.org/msx264.git

libilbc-rfc3951 @ 91b61e39

-Subproject commit 91b61e39fb9c5d3dc78691f3d6e4f1d65c8b0d2a

msilbc @ 4d36bb77

-Subproject commit 4d36bb77f6a7e259dc4c6f76b7aab3c65eaece96