edk2: Update Maintainers.txt for packages moved to edk2-platforms

https://bugzilla.tianocore.org/show_bug.cgi?id=1467
https://bugzilla.tianocore.org/show_bug.cgi?id=1374
https://bugzilla.tianocore.org/show_bug.cgi?id=1793

Remove maintainers for ththe following packages that have been
imported to edk2-platforms/master
  * Omap35xxPkg
  * BeagleBoardPkg
  * QuarkSocPkg
  * QuarkPlatformPkg
  * Vlv2DeviceRefCodePkg
  * Vlv2TbltDevicePkg
  * OptionRomPkg

Cc: Zailiang Sun <zailiang.sun@intel.com>
Cc: Yi Qian <yi.qian@intel.com>
Cc: Kelly Steele <kelly.steele@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Michael Kubacki <michael.a.kubacki@intel.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Reviewed-by: Zailiang Sun <zailiang.sun@intel.com>
Reviewed-by: Kelly Steele <kelly.steele@intel.com>

Maintainers.txt

@@ -86,11 +86,6 @@ M: Bob Feng <bob.c.feng@intel.com>
 M: Liming Gao <liming.gao@intel.com>
 R: Yonghong Zhu <yonghong.zhu@intel.com>
 
-BeagleBoardPkg
-W: https://github.com/tianocore/tianocore.github.io/wiki/BeagleBoardPkg
-M: Leif Lindholm <leif.lindholm@linaro.org>
-M: Ard Biesheuvel <ard.biesheuvel@linaro.org>
-
 CorebootModulePkg, CorebootPayloadPkg
 W: https://github.com/tianocore/tianocore.github.io/wiki/Coreboot_UEFI_payload
 M: Maurice Ma <maurice.ma@intel.com>
@@ -195,15 +190,6 @@ W: https://github.com/tianocore/tianocore.github.io/wiki/Nt32Pkg
 M: Ray Ni <ray.ni@intel.com>
 M: Hao A Wu <hao.a.wu@intel.com>
 
-Omap35xxPkg
-W: https://github.com/tianocore/tianocore.github.io/wiki/Omap35xxPkg
-M: Leif Lindholm <leif.lindholm@linaro.org>
-M: Ard Biesheuvel <ard.biesheuvel@linaro.org>
-
-OptionRomPkg
-W: https://github.com/tianocore/tianocore.github.io/wiki/OptionRomPkg
-M: Ray Ni <ray.ni@intel.com>
-
 OvmfPkg
 W: http://www.tianocore.org/ovmf/
 M: Jordan Justen <jordan.l.justen@intel.com>
@@ -223,10 +209,6 @@ PcAtChipsetPkg
 W: https://github.com/tianocore/tianocore.github.io/wiki/PcAtChipsetPkg
 M: Ray Ni <ray.ni@intel.com>
 
-QuarkPlatformPkg, QuarkSocPkg
-M: Michael D Kinney <michael.d.kinney@intel.com>
-M: Kelly Steele <kelly.steele@intel.com>
-
 SecurityPkg
 W: https://github.com/tianocore/tianocore.github.io/wiki/SecurityPkg
 M: Chao Zhang <chao.b.zhang@intel.com>
@@ -260,14 +242,6 @@ M: Eric Dong <eric.dong@intel.com>
 M: Ray Ni <ray.ni@intel.com>
 R: Laszlo Ersek <lersek@redhat.com>
 
-Vlv2DeviceRefCodePkg
-M: Zailiang Sun <zailiang.sun@intel.com>
-M: Yi Qian <yi.qian@intel.com>
-
-Vlv2TbltDevicePkg
-M: Zailiang Sun <zailiang.sun@intel.com>
-M: Yi Qian <yi.qian@intel.com>
-
 StandaloneMmPkg
 M: Achin Gupta <achin.gupta@arm.com>
 M: Jiewen Yao <jiewen.yao@intel.com>