Change "long-term viability" to just "viability", and combine with "value"

Author: joshtriplett

text/0000-target-tier-policy.md

@@ -495,10 +495,9 @@ target. We hold tier 1 targets to our highest standard of requirements.
 
 A proposed new tier 1 target must be reviewed and approved by the compiler team
 based on these requirements. In addition, the release team must approve the
-long-term viability of the target, and the value of supporting the target. For
-a tier 1 target, this will typically take place via a full RFC proposing the
-target, to be jointly reviewed and approved by the compiler team and release
-team.
+viability and value of supporting the target. For a tier 1 target, this will
+typically take place via a full RFC proposing the target, to be jointly
+reviewed and approved by the compiler team and release team.
 
 In addition, the infrastructure team must approve the integration of the target
 into Continuous Integration (CI), and the tier 1 CI-related requirements. This
@@ -597,10 +596,10 @@ development platform, not just a compilation target.
 
 A proposed new tier 1 target with host tools must be reviewed and approved by
 the compiler team based on these requirements. In addition, the release team
-must approve the long-term viability of host tools for the target, and the
-value of supporting host tools on the target. For a tier 1 target, this will
-typically take place via a full RFC proposing the target, to be jointly
-reviewed and approved by the compiler team and release team.
+must approve the viability and value of supporting host tools for the target.
+For a tier 1 target, this will typically take place via a full RFC proposing
+the target, to be jointly reviewed and approved by the compiler team and
+release team.
 
 In addition, the infrastructure team must approve the integration of the
 target's host tools into Continuous Integration (CI), and the CI-related