Remove hqx submodule

.gitmodules

@@ -4,6 +4,3 @@
 [submodule "src/tests/cbehave"]
 	path = src/tests/cbehave
 	url = https://github.com/cxong/cbehave.git
-[submodule "src/cdogs/hqx"]
-	path = src/cdogs/hqx
-	url = https://github.com/cxong/hqx.git

sounds/switch.txt

@@ -0,0 +1,4 @@
+Adapted from Weapon Cock
+by thecluegeek
+https://www.freesound.org/people/thecluegeek/sounds/141364/
+http://creativecommons.org/publicdomain/zero/1.0/

src/cdogs/CMakeLists.txt

@@ -1,5 +1,5 @@
-add_subdirectory(hqx/src)
-include_directories(hqx/src ${SDL_INCLUDE_DIR})
+add_subdirectory(hqx)
+include_directories(hqx ${SDL_INCLUDE_DIR})
 add_definitions(-DSTATIC)
 set(CDOGS_SOURCES
 	actor_placement.c
@@ -161,14 +161,14 @@ set(CDOGS_HEADERS
 	vector.h
 	weapon.h)
 set(HQX_SOURCES
-	hqx/src/common.c
-	hqx/src/hq2x.c
-	hqx/src/hq3x.c
-	hqx/src/hq4x.c
-	hqx/src/init.c)
+	hqx/common.c
+	hqx/hq2x.c
+	hqx/hq3x.c
+	hqx/hq4x.c
+	hqx/init.c)
 set(HQX_HEADERS
-	hqx/src/common.h
-	hqx/src/hqx.h)
+	hqx/common.h
+	hqx/hqx.h)
 set(NANOPB_SOURCES
 	proto/client.pb.c
 	proto/server.pb.c