No need to use submodule for argh

.gitmodules

@@ -46,6 +46,3 @@
 [submodule "termux-elf-cleaner"]
 	path = tools/termux-elf-cleaner
 	url = https://github.com/termux/termux-elf-cleaner.git
-[submodule "argh"]
-	path = native/src/external/argh
-	url = https://github.com/topjohnwu/argh.git

native/src/Cargo.lock

@@ -23,6 +23,7 @@ dependencies = [
 [[package]]
 name = "argh"
 version = "0.1.10"
+source = "git+https://github.com/topjohnwu/argh.git?rev=2fecd81d606364a8b07b942ed01697bbd3a62193#2fecd81d606364a8b07b942ed01697bbd3a62193"
 dependencies = [
  "argh_derive",
  "argh_shared",
@@ -31,6 +32,7 @@ dependencies = [
 [[package]]
 name = "argh_derive"
 version = "0.1.10"
+source = "git+https://github.com/topjohnwu/argh.git?rev=2fecd81d606364a8b07b942ed01697bbd3a62193#2fecd81d606364a8b07b942ed01697bbd3a62193"
 dependencies = [
  "argh_shared",
  "proc-macro2",
@@ -41,6 +43,7 @@ dependencies = [
 [[package]]
 name = "argh_shared"
 version = "0.1.10"
+source = "git+https://github.com/topjohnwu/argh.git?rev=2fecd81d606364a8b07b942ed01697bbd3a62193#2fecd81d606364a8b07b942ed01697bbd3a62193"
 
 [[package]]
 name = "atty"

native/src/Cargo.toml

@@ -6,7 +6,6 @@ resolver = "2"
 [workspace.dependencies]
 cxx = { path = "external/cxx-rs" }
 cxx-gen = { path = "external/cxx-rs/gen/lib" }
-argh = { path = "external/argh/argh" }
 libc = "0.2"
 cfg-if = "1.0"
 num-traits = "0.2"
@@ -18,6 +17,10 @@ sha1 = "0.10"
 sha2 = "0.10"
 digest = "0.10"
 
+[workspace.dependencies.argh]
+git = "https://github.com/topjohnwu/argh.git"
+rev = "2fecd81d606364a8b07b942ed01697bbd3a62193"
+
 [workspace.dependencies.pb-rs]
 git = "https://github.com/tafia/quick-protobuf.git"
 rev = "2f37d5a65504de7d716b5b28fd82219501a901a9"