fix: disable useless GlobalMapping action

src/commands/global_mapping.cr

@@ -1,16 +0,0 @@
-require "./abstract_command"
-
-module GX::Commands
-  class GlobalMapping < AbstractCommand
-    def initialize(config : GX::Config) # FIXME
-    end
-
-    def execute
-      # FIXME: implement
-    end
-
-    def self.handles_mode
-      GX::Types::Mode::GlobalMapping
-    end
-  end
-end

src/types/modes.cr

@@ -7,7 +7,7 @@ module GX::Types
     GlobalCompletion
     GlobalTui
     GlobalConfig
-    GlobalMapping
+    # GlobalMapping
 
     ConfigInit