Avoid redundant conditions

While `if (i <= 0) ... else if (i > 0) ...` is technically equivalent to
`if (i <= 0) ... else ...`, the latter is vastly easier to read because
it avoids writing out a condition that is unnecessary. Let's drop such
unnecessary conditions.

Pointed out by CodeQL.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

help.c

@@ -214,7 +214,7 @@ void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes)
 		else if (cmp == 0) {
 			ei++;
 			free(cmds->names[ci++]);
-		} else if (cmp > 0)
+		} else
 			ei++;
 	}
 

transport-helper.c

@@ -1437,7 +1437,7 @@ static int udt_do_read(struct unidirectional_transfer *t)
 		transfer_debug("%s EOF (with %i bytes in buffer)",
 			t->src_name, (int)t->bufuse);
 		t->state = SSTATE_FLUSHING;
-	} else if (bytes > 0) {
+	} else {
 		t->bufuse += bytes;
 		transfer_debug("Read %i bytes from %s (buffer now at %i)",
 			(int)bytes, t->src_name, (int)t->bufuse);