[BOOT] Get rid of useless comments

BOOT/ENVIRON/APP/BOOTMGR/EFI/efientry.c

@@ -31,15 +31,14 @@ Routine Description:
 
 Arguments:
 
-    ImageHandle - Handle for the boot manager image.
+    ImageHandle - EFI handle for the boot manager image.
 
     SystemTable - Pointer to the EFI system table.
 
 Return Value:
 
-    EFI_SUCCESS if successful.
-    EFI_INVALID_PARAMEER if input parameter structure creation fails.
-    Any other value defined in efierr.h.
+    EFI_INVALID_PARAMETER if EfiInitCreateInputParameters() fails.
+    Any status code returned by EfiGetEfiStatusCode(BmMain()).
 
 --*/
 

BOOT/ENVIRON/APP/BOOTMGR/bcd.c

@@ -28,12 +28,11 @@ Routine Description:
 
 Arguments:
 
-    DataStore - pointer to memory to put the data store handle in.
+    DataStore - Pointer to a HANDLE that recieves the data store handle.
 
 Return Value:
 
-    STATUS_SUCCESS if successful,
-    Other NTSTATUS value on failure.
+    STATUS_SUCCESS.
 
 --*/