MAINTAINERS: get rid of the optee variables entry

Since I am co-maintaining EFI with Heinrich remove the special
entry for EFI variable storage via OP-TEE

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

MAINTAINERS

@@ -871,6 +871,7 @@ F:	include/cp437.h
 F:	include/efi*
 F:	include/pe.h
 F:	include/asm-generic/pe.h
+F:	include/mm_communication.h
 F:	lib/charset.c
 F:	lib/efi*/
 F:	test/lib/efi_*
@@ -884,12 +885,6 @@ F:	tools/efivar.py
 F:	tools/file2include.c
 F:	tools/mkeficapsule.c
 
-EFI VARIABLES VIA OP-TEE
-M:	Ilias Apalodimas <ilias.apalodimas@linaro.org>
-S:	Maintained
-F:	lib/efi_loader/efi_variable_tee.c
-F:	include/mm_communication.h
-
 ENVIRONMENT
 M:	Joe Hershberger <joe.hershberger@ni.com>
 R:	Wolfgang Denk <wd@denx.de>