MIPS: Remove useless parentheses

Based on the spatch

@@
expression e;
@@
- return (e);
+ return e;

with heavy hand editing because some of the changes are either whitespace
or identation only or result in excessivly long lines.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/sc-r5k.c b/arch/mips/mm/sc-r5k.c
index 0216ed6..751b5cd 100644
--- a/arch/mips/mm/sc-r5k.c
+++ b/arch/mips/mm/sc-r5k.c
@@ -81,7 +81,7 @@
 	unsigned long config = read_c0_config();
 
 	if (config & CONF_SC)
-		return(0);
+		return 0;
 
 	scache_size = (512 * 1024) << ((config & R5K_CONF_SS) >> 20);