tracing/uprobes: Remove unwanted initialization in __trace_uprobe_create()

Remove the unwanted initialization of variable 'ret'. This fixes the clang
scan warning: Value stored to 'ret' is never read [deadcode.DeadStores]

Link: https://lkml.kernel.org/r/[email protected]

Signed-off-by: Gautam Menghani <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>

Author: Gautam-Menghani

kernel/trace/trace_uprobe.c

@@ -546,7 +546,6 @@ static int __trace_uprobe_create(int argc, const char **argv)
 	bool is_return = false;
 	int i, ret;
 
-	ret = 0;
 	ref_ctr_offset = 0;
 
 	switch (argv[0][0]) {