cleanup: scope reduction

[app/channel.cpp:102]:   (style) The scope of the variable 'resp' can be reduced.
[ipmisensor.cpp:310]:    (style) The scope of the variable 'i' can be reduced.
[ipmid.cpp:506]:         (style) The scope of the variable 'num_handlers' can be reduced.
[read_fru_data.cpp:82]:  (style) The scope of the variable 'fruId' can be reduced.
[sensorhandler.cpp:256]: (style) The scope of the variable 'p' can be reduced.
[storageaddsel.cpp:68]:  (style) The scope of the variable 'p' can be reduced.

Also delete two extra vertical lines.

Change-Id: I8e72f8e1d94381f456674abf523d2f2fbdd8046d
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/read_fru_data.cpp b/read_fru_data.cpp
index 67bbf9f..ee9ad41 100644
--- a/read_fru_data.cpp
+++ b/read_fru_data.cpp
@@ -83,7 +83,6 @@
     for (auto& fru : frus)
     {
         bool found = false;
-        auto& fruId = fru.first;
         auto& instanceList = fru.second;
         for (auto& instance : instanceList)
         {
@@ -95,6 +94,8 @@
         }
         if (found)
         {
+            auto& fruId = fru.first;
+
             cache::fruMap.erase(fruId);
             break;
         }