[BEAM-13996] Removing 'No cluster_manager is associated with the provided pipeline!' logger error

[victorplusc]

Bug fix: removing the 'No cluster_manager is associated with the provided pipeline!' logger error message when a pipeline is present, but has no cluster manager. The bug in this scenario is that this case can be triggered when the user uses Interactive Beam in a way that automatically cleans up an individual pipeline (e.g. running InteractiveRunner() using a with clause).

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[victorplusc]

R: @kevingg
R: @rohdesamuel

[nika-qubit]

LGTM

[codecov]

Codecov Report

Merging #16936 (c44b4f9) into master (0e45de7) will increase coverage by 36.73%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master   #16936       +/-   ##
===========================================
+ Coverage   46.89%   83.62%   +36.73%     
===========================================
  Files         204      453      +249     
  Lines       20122    62478    +42356     
===========================================
+ Hits         9436    52247    +42811     
- Misses       9686    10231      +545     
+ Partials     1000        0     -1000     

Flag	Coverage Δ
python	83.62% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...pache_beam/runners/interactive/interactive_beam.py	81.17% <ø> (ø)
sdks/go/pkg/beam/core/runtime/pipelinex/util.go
sdks/go/pkg/beam/runners/direct/buffer.go
sdks/go/pkg/beam/core/runtime/xlangx/expand.go
sdks/go/pkg/beam/core/graph/coder/map.go
sdks/go/pkg/beam/testing/passert/equals.go
sdks/go/pkg/beam/core/runtime/graphx/user.go
...kg/beam/core/runtime/xlangx/expansionx/download.go
sdks/go/pkg/beam/core/runtime/coderx/string.go
sdks/go/pkg/beam/core/runtime/graphx/cogbk.go
... and 648 more

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