cvd: Remove CommandSequenceExecutor

Delete CommandSequenceExecutor entirely, as it is no longer used by any commands.

- Deleted command_sequence.cpp and command_sequence.h.
- Removed from RequestContext and BUILD.bazel.

Assisted-by: Jetski
Bug: b/324653441

Author: Databean

base/cvd/cuttlefish/host/commands/cvd/cli/BUILD.bazel

@@ -55,14 +55,12 @@ cf_cc_library(
 cf_cc_library(
     name = "nesting_commands",
     srcs = [
-        "command_sequence.cpp",
         "request_context.cpp",
         "//cuttlefish/host/commands/cvd/cli/commands:create.cpp",
         "//cuttlefish/host/commands/cvd/cli/commands:help.cpp",
         "//cuttlefish/host/commands/cvd/cli/commands:load_configs.cpp",
     ],
     hdrs = [
-        "command_sequence.h",
         "request_context.h",
         "//cuttlefish/host/commands/cvd/cli/commands:create.h",
         "//cuttlefish/host/commands/cvd/cli/commands:help.h",

base/cvd/cuttlefish/host/commands/cvd/cli/command_sequence.cpp

@@ -23,7 +23,6 @@
 #include <fmt/ranges.h>  // NOLINT(misc-include-cleaner): version difference
 
 #include "cuttlefish/host/commands/cvd/cli/command_request.h"
-#include "cuttlefish/host/commands/cvd/cli/command_sequence.h"
 #include "cuttlefish/host/commands/cvd/cli/commands/bugreport.h"
 #include "cuttlefish/host/commands/cvd/cli/commands/cache.h"
 #include "cuttlefish/host/commands/cvd/cli/commands/clear.h"
@@ -80,8 +79,7 @@ std::vector<std::string> GetPossibleCommands(
 }  //  namespace
 
 RequestContext::RequestContext(InstanceManager& instance_manager,
-                               InstanceLockFileManager& lock_file_manager)
-    : command_sequence_executor_(this->request_handlers_) {
+                               InstanceLockFileManager& lock_file_manager) {
   request_handlers_.emplace_back(NewCvdCacheCommandHandler());
 
   request_handlers_.emplace_back(NewCvdCreateCommandHandler(instance_manager));

base/cvd/cuttlefish/host/commands/cvd/cli/command_sequence.h

@@ -20,7 +20,6 @@
 #include <vector>
 
 #include "cuttlefish/host/commands/cvd/cli/command_request.h"
-#include "cuttlefish/host/commands/cvd/cli/command_sequence.h"
 #include "cuttlefish/host/commands/cvd/cli/commands/command_handler.h"
 #include "cuttlefish/host/commands/cvd/instances/instance_manager.h"
 #include "cuttlefish/host/commands/cvd/instances/lock/instance_lock.h"
@@ -36,7 +35,6 @@ class RequestContext {
 
  private:
   std::vector<std::unique_ptr<CvdCommandHandler>> request_handlers_;
-  CommandSequenceExecutor command_sequence_executor_;
 };
 
 Result<CvdCommandHandler*> RequestHandler(