Revert "color: Cache D-Bus proxies"

This reverts commit 8e56ea35.
11 jobs for gbsneto/revert-non-hardware-proxies in 18 minutes and 58 seconds (queued for 7 seconds)
Status Job ID Name Coverage
  Build
passed #91491
build

00:02:33

 
  Test
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armv8

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passed #91493
asan

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passed #91495
ppc64le

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passed #91492
test

00:00:40

 
  Manual
manual #91496
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flatpak
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msan
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tsan
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ubsan
 
  Review
manual #91500
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review
manual #91501
allowed to fail manual
stop_review