Switch from custom gdb version to pacman package version

after/plugin/dap/dap-c.lua

@@ -1,8 +1,8 @@
 local dap = require("dap")
 dap.adapters.gdb = {
 	type = "executable",
-	command = "/home/m/dev/sw/binutils-gdb/gdb/gdb",
-	args = { "-i", "dap", "--data-directory=/home/m/dev/sw/binutils-gdb/gdb/data-directory" }
+	command = "gdb",
+	args = { "-i", "dap" }
 }
 
 dap.configurations.c = {
@@ -19,3 +19,5 @@ dap.configurations.c = {
 		cwd = "${workspaceFolder}",
 	},
 }
+
+dap.configurations.rust = dap.configurations.c