attn: Remove stub code intended for native build

Removed some stub code that was originally used to build
openpower-hw-diags natively (via local meson/ninja). Building in this
manner is not supported right now due to the numerous external
dependencies required by the final binary.

Signed-off-by: Ben Tyner <ben.tyner@ibm.com>
Change-Id: I58c932f68e6cfe980a9a9503fc6e8d71bbd3528a
diff --git a/meson.build b/meson.build
index 6ee92ce..555c482 100644
--- a/meson.build
+++ b/meson.build
@@ -67,17 +67,14 @@
   libphal_dep = cmplr.find_library('phal')
 endif
 
-# See if phosphor-logging is available, if not use test case logging code. This
-# allows for local builds outside of CI test sandbox.
+# See if phosphor-logging is available, if not use test case logging code.
 h = 'phosphor-logging/log.hpp'
 if cmplr.compiles('#include <@0@>'.format(h), name : '#include <@0@>'.format(h))
     test_arg = []
-    phosphor_logging = true
 else
     test_arg = [
         '-DTEST_TRACE',
     ]
-    phosphor_logging = false
 endif
 
 pthread = declare_dependency(link_args : '-pthread')