fix: remove arch tags

8 jobs for c++sym in 45 minutes and 50 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #320158
build

00:16:17

 
  Test
passed #320163
autopkgtest

00:02:59

passed #320164
blhc

00:01:14

passed #320162
lintian

00:01:57

passed #320165
piuparts

00:04:33

passed #320161
reprotest

00:29:32

passed #320160
test-build-all

00:04:18

passed #320159
test-build-any

00:04:22