patch 8.2.5062: Coverity warns for dead code

Problem:    Coverity warns for dead code.
Solution:   Remove the dead code.

src/match.c

@@ -446,14 +446,6 @@ next_search_hl(
     // or none is found in this line.
     for (;;)
     {
-# ifdef FEAT_RELTIME
-	// Stop searching after passing the time limit.
-	if (timed_out)
-	{
-	    shl->lnum = 0;		// no match found in time
-	    break;
-	}
-# endif
 	// Three situations:
 	// 1. No useful previous match: search from start of line.
 	// 2. Not Vi compatible or empty match: continue at next character.

src/os_unix.c

@@ -8422,7 +8422,7 @@ start_timeout(long msec)
     if (ret == 0)
     {
 	alarm_pending = sigismember(&sigs, SIGALRM);
-	ret = ret == 0 ? sigprocmask(SIG_SETMASK, &saved_sigs, NULL) : ret;
+	ret = sigprocmask(SIG_SETMASK, &saved_sigs, NULL);
     }
     if (unlikely(ret != 0 || alarm_pending < 0))
     {

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    5062,
 /**/
     5061,
 /**/