libprocessgroup: Remove getAttributePathForTask

getAttributePathForTask has always directly called
CgroupGetAttributePathForTask, and there is no reason for callers not to
use CgroupGetAttributePathForTask.

Change-Id: Id1533fc0d9ecec96dacb5ebf0f32b799660fbf88
diff --git a/libprocessgroup/include/processgroup/processgroup.h b/libprocessgroup/include/processgroup/processgroup.h
index 6a026a7..28b17c1 100644
--- a/libprocessgroup/include/processgroup/processgroup.h
+++ b/libprocessgroup/include/processgroup/processgroup.h
@@ -29,6 +29,8 @@
 bool CgroupGetControllerPath(const std::string& cgroup_name, std::string* path);
 bool CgroupGetControllerFromPath(const std::string& path, std::string* cgroup_name);
 bool CgroupGetAttributePath(const std::string& attr_name, std::string* path);
+// Provides the path for an attribute in a specific process group
+// Returns false in case of error, true in case of success
 bool CgroupGetAttributePathForTask(const std::string& attr_name, pid_t tid, std::string* path);
 
 bool SetTaskProfiles(pid_t tid, const std::vector<std::string>& profiles,
@@ -81,10 +83,6 @@
 
 void removeAllEmptyProcessGroups(void);
 
-// Provides the path for an attribute in a specific process group
-// Returns false in case of error, true in case of success
-bool getAttributePathForTask(const std::string& attr_name, pid_t tid, std::string* path);
-
 // Check if a profile can be applied without failing.
 // Returns true if it can be applied without failing, false otherwise
 bool isProfileValidForProcess(const std::string& profile_name, uid_t uid, pid_t pid);
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index 9522159..53168e3 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -746,10 +746,6 @@
     return SetProcessGroupValue(pid, "MemLimit", limit_in_bytes);
 }
 
-bool getAttributePathForTask(const std::string& attr_name, pid_t tid, std::string* path) {
-    return CgroupGetAttributePathForTask(attr_name, tid, path);
-}
-
 bool isProfileValidForProcess(const std::string& profile_name, uid_t uid, pid_t pid) {
     const TaskProfile* tp = TaskProfiles::GetInstance().GetProfile(profile_name);