Remove unused code from posix

[pranithk]

These two variables were helpful before io-stats was available. Now these are not as useful as io-stats. So removing this unnecessary code.

Change-Id: Iddc0ad51a77da84bca0f66040e3bf2f58c5b8339

[gluster-ant]

CLANG-FORMAT FAILURE:
Before merging the patch, this diff needs to be considered for passing clang-format

index 0a8ef7576..2a65c3156 100644
--- a/xlators/storage/posix/src/posix-inode-fd-ops.c
+++ b/xlators/storage/posix/src/posix-inode-fd-ops.c
@@ -5876,7 +5876,8 @@ posix_readdirp_fill(xlator_t *this, fd_t *fd, gf_dirent_t *entries,
             ret = posix_pstat(this, inode, inode->gfid, hpath, &stbuf,
                               _gf_false, _gf_true);
         else
-            ret = posix_pstat(this, inode, zero_gfid, hpath, &stbuf, _gf_false, _gf_true);
+            ret = posix_pstat(this, inode, zero_gfid, hpath, &stbuf, _gf_false,
+                              _gf_true);
 
         if (ret == -1) {
             if (inode)
@@ -6018,10 +6019,7 @@ posix_readdirp(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
         if (op_ret >= 0) {
             op_ret = 0;
 
-            list_for_each_entry(entry, &entries.list, list)
-            {
-                op_ret++;
-            }
+            list_for_each_entry(entry, &entries.list, list) { op_ret++; }
         }
 
         STACK_UNWIND_STRICT(readdirp, frame, op_ret, op_errno, &entries, NULL);

[gluster-ant]

CLANG-FORMAT FAILURE:
Before merging the patch, this diff needs to be considered for passing clang-format

index 575f2934b..2a65c3156 100644
--- a/xlators/storage/posix/src/posix-inode-fd-ops.c
+++ b/xlators/storage/posix/src/posix-inode-fd-ops.c
@@ -6019,10 +6019,7 @@ posix_readdirp(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
         if (op_ret >= 0) {
             op_ret = 0;
 
-            list_for_each_entry(entry, &entries.list, list)
-            {
-                op_ret++;
-            }
+            list_for_each_entry(entry, &entries.list, list) { op_ret++; }
         }
 
         STACK_UNWIND_STRICT(readdirp, frame, op_ret, op_errno, &entries, NULL);