httproute: drop ImplementationSpecific match types #850
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What type of PR is this?
/kind api-change
What this PR does / why we need it:
ImplementationSpecific is trappy match type: it provides an escape hatch
to do more but it doesn't take into account that multiple
implementation-specific match types could be possible. Use-cases exist
in this area but we have not thought through them deeply.
Being conservative and dropping this feature in v1alpha2 to avoid any potential
breaking change in the future. We may revisit this in the future as we gain a
better understanding.
Which issue(s) this PR fixes:
Fixes #832
Does this PR introduce a user-facing change?: