Remove redundant reset of iterators

Author: czgdp1807

src/libasr/codegen/llvm_utils.cpp

@@ -668,9 +668,6 @@ namespace LFortran {
         LLVM::CreateStore(*builder,
                           llvm::ConstantInt::get(llvm::Type::getInt1Ty(context), llvm::APInt(1, 1)),
                           llvm_utils->create_ptr_gep(key_mask, pos));
-        if( !are_iterators_set ) {
-            pos_ptr = nullptr;
-        }
     }
 
     llvm::Value* LLVMDict::linear_probing_for_read(llvm::Value* dict, llvm::Value* key_hash,
@@ -683,9 +680,6 @@ namespace LFortran {
         linear_probing(capacity, key_hash, key, key_list, key_mask, module, key_asr_type);
         llvm::Value* pos = LLVM::CreateLoad(*builder, pos_ptr);
         llvm::Value* item = llvm_utils->list_api->read_item(value_list, pos, true, false);
-        if( !are_iterators_set ) {
-            pos_ptr = nullptr;
-        }
         return item;
     }