remove init_on_cpu and force_init_on_cpu APIs, test=develop

doc/fluid/api/initializer.rst

@@ -9,8 +9,6 @@ fluid.initializer
     initializer/BilinearInitializer.rst
     initializer/Constant.rst
     initializer/ConstantInitializer.rst
-    initializer/force_init_on_cpu.rst
-    initializer/init_on_cpu.rst
     initializer/MSRA.rst
     initializer/MSRAInitializer.rst
     initializer/Normal.rst

doc/fluid/api/initializer/force_init_on_cpu.rst

-..  THIS FILE IS GENERATED BY `gen_doc.{py|sh}`
-    !DO NOT EDIT THIS FILE MANUALLY!
-
-.. _api_fluid_initializer_force_init_on_cpu:
-
-force_init_on_cpu
------------------
-
-..  autofunction:: paddle.fluid.initializer.force_init_on_cpu
-    :noindex:
-

doc/fluid/api/initializer/init_on_cpu.rst

-..  THIS FILE IS GENERATED BY `gen_doc.{py|sh}`
-    !DO NOT EDIT THIS FILE MANUALLY!
-
-.. _api_fluid_initializer_init_on_cpu:
-
-init_on_cpu
------------
-
-..  autofunction:: paddle.fluid.initializer.init_on_cpu
-    :noindex:
-

doc/fluid/api_cn/initializer_cn.rst

@@ -12,8 +12,6 @@ fluid.initializer
     initializer_cn/BilinearInitializer_cn.rst
     initializer_cn/Constant_cn.rst
     initializer_cn/ConstantInitializer_cn.rst
-    initializer_cn/force_init_on_cpu_cn.rst
-    initializer_cn/init_on_cpu_cn.rst
     initializer_cn/MSRA_cn.rst
     initializer_cn/MSRAInitializer_cn.rst
     initializer_cn/Normal_cn.rst

doc/fluid/api_cn/initializer_cn/force_init_on_cpu_cn.rst

-.. _cn_api_fluid_initializer_force_init_on_cpu:
-
-force_init_on_cpu
--------------------------------
-
-.. py:function:: paddle.fluid.initializer.force_init_on_cpu()
-
-该接口获得一个是否强制在CPU上初始化变量的布尔型标志位。
-
-返回：状态，是否应强制在CPU上强制进行变量初始化
-
-返回类型：bool
-
-**代码示例**：
-
-.. code-block:: python
-
-    import paddle.fluid as fluid
-    if fluid.initializer.force_init_on_cpu():
-        step = fluid.layers.create_global_var(shape=[2,3], value=1.0, dtype='float32')
-
-
-
-
-
-
-
-
-
-
-

doc/fluid/api_cn/initializer_cn/init_on_cpu_cn.rst

-.. _cn_api_fluid_initializer_init_on_cpu:
-
-init_on_cpu
--------------------------------
-
-.. py:function:: paddle.fluid.initializer.init_on_cpu()
-
-该接口设置强制变量在 cpu 上初始化。
-
-返回：无
-
-**代码示例**
-
-.. code-block:: python
-        
-        import paddle.fluid as fluid
-        with fluid.initializer.init_on_cpu():
-            step = fluid.layers.create_global_var(shape=[2,3], value=1.0, dtype='float32')
-
-
-