gbuild: remove unused gb_CppunitTest_LIBDIR

Change-Id: I42ffe7c32d249bdd9cfa03800e78c431df0bb52f

solenv/gbuild/platform/IOS_ARM_GCC.mk

@@ -211,7 +211,6 @@ endef
 # CppunitTest class
 
 gb_CppunitTest_CPPTESTPRECOMMAND := :
-gb_CppunitTest_LIBDIR := $(gb_Helper_OUTDIRLIBDIR)
 gb_CppunitTest_get_filename = libtest_(1).a
 gb_CppunitTest_get_ilibfilename = $(gb_CppunitTest_get_filename)
 

solenv/gbuild/platform/com_MSC_class.mk

@@ -389,7 +389,6 @@ gb_CppunitTest_DEFS := -D_DLL
 # thus it won't find its DLLs unless ${OUTDIR}/bin is added to PATH.
 gb_CppunitTest_CPPTESTPRECOMMAND := $(gb_Helper_set_ld_path):"$(shell cygpath -w $(gb_Library_DLLDIR))"
 
-gb_CppunitTest_LIBDIR := $(gb_Helper_OUTDIRLIBDIR)
 gb_CppunitTest_get_filename = test_$(1).dll
 gb_CppunitTest_get_ilibfilename = itest_$(1).lib
 

solenv/gbuild/platform/macosx.mk

@@ -279,7 +279,6 @@ endef
 # CppunitTest class
 
 gb_CppunitTest_CPPTESTPRECOMMAND := $(gb_Helper_set_ld_path):"$(gb_Library_DLLDIR)"
-gb_CppunitTest_LIBDIR := $(gb_Helper_OUTDIRLIBDIR)
 gb_CppunitTest_get_filename = libtest_$(1).dylib
 gb_CppunitTest_get_ilibfilename = $(gb_CppunitTest_get_filename)
 

solenv/gbuild/platform/solaris.mk

@@ -302,7 +302,6 @@ endef
 
 gb_CppunitTest_CPPTESTPRECOMMAND := \
     $(call gb_Helper_extend_ld_path,$(OUTDIR_FOR_BUILD)/lib/sqlite)
-gb_CppunitTest_LIBDIR := $(gb_Helper_OUTDIRLIBDIR)
 gb_CppunitTest_get_filename = libtest_$(1).so
 gb_CppunitTest_get_ilibfilename = $(gb_CppunitTest_get_filename)
 

solenv/gbuild/platform/unxgcc.mk

@@ -301,7 +301,6 @@ endef
 
 gb_CppunitTest_CPPTESTPRECOMMAND := \
     $(call gb_Helper_extend_ld_path,$(OUTDIR_FOR_BUILD)/lib/sqlite)
-gb_CppunitTest_LIBDIR := $(gb_Helper_OUTDIRLIBDIR)
 gb_CppunitTest_get_filename = libtest_$(1).so
 gb_CppunitTest_get_ilibfilename = $(gb_CppunitTest_get_filename)