Fixup the premake files

src/xenia/app/premake5.lua

@@ -32,7 +32,7 @@ project("xenia-app")
   })
   includedirs({
     project_root.."/third_party/elemental-forms/src",
-	project_root.."/build_tools/third_party/gflags/src",
+    project_root.."/build_tools/third_party/gflags/src",
   })
   local_platform_files()
   files({
@@ -54,21 +54,6 @@ project("xenia-app")
       "xenia-hid-xinput",
     })
 
---[[
-  filter("configurations:Checked")
-    local libav_root = "../third_party/libav-xma-bin/lib/Debug"
-    linkoptions({
-      libav_root.."/libavcodec.a",
-      libav_root.."/libavutil.a",
-    })
-  filter("configurations:Debug or Release")
-    local libav_root = "../third_party/libav-xma-bin/lib/Release"
-    linkoptions({
-      libav_root.."/libavcodec.a",
-      libav_root.."/libavutil.a",
-    })
-]]
-
   filter("platforms:Windows")
     -- Only create the .user file if it doesn't already exist.
     local user_file = project_root.."/build/xenia-app.vcxproj.user"