VS: Remove the /MERGE flag from FlagTables

Fixes #22229
48 jobs for !6205 with msvc-link-merge-fix in 11 minutes and 54 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Build
manual #5858515
linux docker build cmake manual
build:centos6-x86_64
manual #5858516
linux-3.17 linux docker build cmake manual
build:fedora34-ninja
manual #5858518
nonconcurrent xcode-12.4 shell macos cmake manual
build:macos-x86_64-makefiles
manual #5858517
nonconcurrent xcode-12.4 shell macos cmake manual
build:macos-x86_64-ninja
manual #5858519
nonconcurrent msvc-19.29-16.10 vs2019 shell windows cmake manual
build:windows-vs2019-x64-ninja
passed #5858511
linux docker build cmake
lint:codespell

00:00:20

passed #5858512
linux docker build cmake
lint:debian10-iwyu

00:01:32

passed #5858514
linux-3.17 linux docker build cmake
lint:fedora34-sphinx

00:04:45

passed #5858513
linux-3.17 linux docker build cmake
lint:fedora34-tidy

00:11:53

 
  Test
created #5858520
x11 linux-3.17 linux docker cmake
test:fedora34-ninja
created #5858522
macos cmake nonconcurrent xcode-12.4 shell
test:macos-x86_64-makefiles
created #5858521
nonconcurrent xcode-12.4 shell macos cmake
test:macos-x86_64-ninja
created #5858523
nonconcurrent msvc-19.29-16.10 vs2019 shell windows cmake
test:windows-vs2019-x64-ninja
 
  Test Ext
created #5858526
linux docker cuda-rt cmake
test:cuda10.2-nvidia
created #5858524
linux-3.17 linux docker build cmake
test:debian10-ninja
created #5858525
linux-3.17 linux docker build cmake
test:fedora34-makefiles
created #5858527
linux-3.17 linux docker build cmake
test:fedora34-ninja-multi
created #5858528
concurrent xcode-12.4 shell macos cmake
test:macos-x86_64-xcode
created #5858529
concurrent msvc-19.29-16.10 vs2019 shell windows cmake
test:windows-vs2019-x64
 
  External
passed cdash

passed ghostflow-check-master

passed ghostflow-stager

passed cdash

passed cdash

passed cdash

passed cdash

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager

passed ghostflow-stager