ACPI: Remove unnecessary Return(One) calls from q35 DSDT.

Recent iasl compilers warn about spurious return calls.  Remove extra
return calls from the GPE event methods.  This is the q35 dsdt
equivalent of patch 475ce3f5f6a986877d637ac39f6ee23484ecc992.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
diff --git a/src/q35-acpi-dsdt.dsl b/src/q35-acpi-dsdt.dsl
index baa463f..6257ac4 100644
--- a/src/q35-acpi-dsdt.dsl
+++ b/src/q35-acpi-dsdt.dsl
@@ -383,53 +383,38 @@
         Name(_HID, "ACPI0006")
 
         Method(_L00) {
-            Return (0x01)
         }
         Method(_L01) {
             // CPU hotplug event
             \_SB.PRSC()
         }
         Method(_L02) {
-            Return (0x01)
         }
         Method(_L03) {
-            Return (0x01)
         }
         Method(_L04) {
-            Return (0x01)
         }
         Method(_L05) {
-            Return (0x01)
         }
         Method(_L06) {
-            Return (0x01)
         }
         Method(_L07) {
-            Return (0x01)
         }
         Method(_L08) {
-            Return (0x01)
         }
         Method(_L09) {
-            Return (0x01)
         }
         Method(_L0A) {
-            Return (0x01)
         }
         Method(_L0B) {
-            Return (0x01)
         }
         Method(_L0C) {
-            Return (0x01)
         }
         Method(_L0D) {
-            Return (0x01)
         }
         Method(_L0E) {
-            Return (0x01)
         }
         Method(_L0F) {
-            Return (0x01)
         }
     }
 }