libtracefs isn't used by perf but not having it installed causes build
warnings. Given the library isn't used, there is no need for the
configuration or warnings so remove.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/Makefile.config | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index a148ca9efca9..cd773fbbc176 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -1174,20 +1174,6 @@ ifneq ($(NO_LIBTRACEEVENT),1)
   else
     $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1)
   endif
-
-  ifeq ($(feature-libtracefs), 1)
-    CFLAGS +=  $(shell $(PKG_CONFIG) --cflags libtracefs)
-    LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs)
-    EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs)
-    LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0
-    LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
-    LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
-    LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
-    LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
-    CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
-  else
-    $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
-  endif
 endif
 
 # Among the variables below, these:
-- 
2.48.0.rc2.279.g1de40edade-goog