Revert D5641588: [caffe2] Control flow operators

Summary:
This reverts commit f9e04429961c3da7da4ebca3e8163bfcc2a09ec9

bypass-lint

Differential Revision: D5641588

fbshipit-source-id: bb23b213d08e9c3ea509216fce9367625943d007

1 files changed, 0 insertions, 44 deletions

diff --git a/caffe2/operators/if_op.h b/caffe2/operators/if_op.h
deleted file mode 100644
index 5b3eb8efbb..0000000000
--- a/caffe2/operators/if_op.h
+++ /dev/null
@@ -1,44 +0,0 @@
-#ifndef CAFFE2_OPERATORS_IF_OP_H_
-#define CAFFE2_OPERATORS_IF_OP_H_
-
-#include "caffe2/core/context.h"
-#include "caffe2/core/logging.h"
-#include "caffe2/core/operator.h"
-
-namespace caffe2 {
-
-template <class Context>
-class IfOp final : public Operator<Context> {
- public:
-  IfOp(const OperatorDef& operator_def, Workspace* ws)
-      : Operator<Context>(operator_def, ws) {
-    CAFFE_ENFORCE(
-        this->template HasSingleArgumentOfType<NetDef>("then_net"),
-        "then_net must be specified in If operator");
-    then_net_def_ =
-        this->template GetSingleArgument<NetDef>("then_net", NetDef());
-    then_net_ = ws->CreateNet(then_net_def_, true);
-    CAFFE_ENFORCE(then_net_, "Failed to initialize then subnet");
-
-    if (this->template HasSingleArgumentOfType<NetDef>("else_net")) {
-      else_net_def_ =
-          this->template GetSingleArgument<NetDef>("else_net", NetDef());
-      else_net_ = ws->CreateNet(else_net_def_, true);
-      CAFFE_ENFORCE(else_net_, "Failed to initialize else subnet");
-    }
-  }
-
-  USE_OPERATOR_CONTEXT_FUNCTIONS;
-  bool RunOnDevice() override;
-
- private:
-  NetDef then_net_def_;
-  NetBase* then_net_ = nullptr;
-
-  NetDef else_net_def_;
-  NetBase* else_net_ = nullptr;
-};
-
-} // namespace caffe2
-
-#endif // CAFFE2_OPERATORS_IF_OP_H_