[CodeStyle][CINN] fix cinn cpplint codestyle `[whitespace/semicolon]` (#55046)

* whitespace

* empty commit, re-trigger all ci

* empty commit, re-trigger all ci

* empty commit, re-trigger all ci

* empty commit, re-trigger all ci

* empty commit, re-trigger all ci

* empty commit, re-trigger all ci

* empty commit, re-trigger all ci

* empty commit, re-trigger all ci

* empty commit, re-trigger all ci

---------
Co-authored-by: NSigureMo <sigure.qaq@gmail.com>

paddle/cinn/frontend/net_builder.cc

@@ -995,7 +995,6 @@ Variable NetBuilder::DropoutInfer(const Variable& a,
 
 Variable NetBuilder::Sum(const std::vector<Variable>& inputs) {
   return CustomInstr("sum", inputs, {}).front();
-  ;
 }
 
 Variable NetBuilder::Arange(const float start,
@@ -1030,7 +1029,6 @@ Variable NetBuilder::Matmul(const Variable& x,
              {x, y},
              {{"trans_a", trans_x}, {"trans_b", trans_y}, {"alpha", alpha}})
       .front();
-  ;
 }
 
 Variable NetBuilder::GaussianRandom(const std::vector<int>& shape,

paddle/cinn/frontend/op_mappers/paddle/concat.cc

@@ -122,7 +122,7 @@ void SplitOpMapper(const paddle::cpp::OpDesc& op_desc,
                    const OpMapperContext& ctx) {
   CHECK_EQ(op_desc.Input("X").size(), 1UL);
   auto x_name = op_desc.Input("X").front();
-  ;
+
   CHECK_GE(op_desc.Output("Out").size(), 1UL);
   auto out_names = op_desc.Output("Out");
 

paddle/cinn/optim/ir_simplify.cc

@@ -213,7 +213,7 @@ struct SimplifyRampMutator : public ir::IRMutator<Expr*> {
         << node->base << "is not a pure math!";
     CHECK(common::IsPureMath(node->stride))
         << node->stride << "is not a pure math!";
-    ;
+
     Simplify(&node->base);
     Simplify(&node->stride);
   }