samples: un-submodule saves gist

The saves gist is now no longer maintained

.gitmodules

@@ -1,11 +1,9 @@
 [submodule "samples/intro"]
-    path = samples/intro
-    url = https://gist.github.com/5026392a419124312cb7.git
-
+	path = samples/intro
+	url = https://gist.github.com/5026392a419124312cb7.git
 [submodule "samples/images"]
 	path = samples/images
 	url = https://gist.github.com/00ba7eb0aa1d82140503.git
-
 [submodule "samples/text"]
 	path = samples/text
 	url = https://gist.github.com/52d7b8e332194946bc69.git
@@ -15,22 +13,15 @@
 [submodule "samples/build_groups"]
 	path = samples/build_groups
 	url = https://gist.github.com/andymeneely/bda48487e3b8c9d15edb
-
 [submodule "samples/backend"]
-  	path = samples/backend
-  	url = https://gist.github.com/7b4a3acd0e758aedf87ba549e2025a11.git
-
+	path = samples/backend
+	url = https://gist.github.com/7b4a3acd0e758aedf87ba549e2025a11.git
 [submodule "samples/shapes"]
-  	path = samples/shapes
-  	url = https://gist.github.com/59089c972b8b0e5d7e76598010e69291.git
-
-[submodule "samples/saves"]
-  	path = samples/saves
-  	url = https://gist.github.com/3c60c13b25f525abd037db4055abf35c.git
-
+	path = samples/shapes
+	url = https://gist.github.com/59089c972b8b0e5d7e76598010e69291.git
 [submodule "samples/data"]
-  	path = samples/data
-  	url = https://gist.github.com/6f89115805e205c647a779b7b4866151.git
+	path = samples/data
+	url = https://gist.github.com/6f89115805e205c647a779b7b4866151.git
 [submodule "samples/colors"]
-  	path = samples/colors
-  	url = https://gist.github.com/fac2f4a16a23c2bada126e93d6523971.git
+	path = samples/colors
+	url = https://gist.github.com/fac2f4a16a23c2bada126e93d6523971.git