Drop redundant validation of resilience strategy options

[martintmk]

Details on the issue fix or feature implementation

These are already validated by base builder so no need to do it twice.

Confirm the following

• I started this PR by branching from the head of the default branch
• I have targeted the PR to merge into the default branch
• I have included unit tests for the issue/feature
• I have successfully run a local build

[codecov]

Codecov Report

Merging #1299 (f695c92) into main (833ad99) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1299      +/-   ##
==========================================
- Coverage   83.28%   83.28%   -0.01%     
==========================================
  Files         263      264       +1     
  Lines        6299     6298       -1     
  Branches      994      996       +2     
==========================================
- Hits         5246     5245       -1     
  Misses        844      844              
  Partials      209      209              

Flag	Coverage Δ
macos	83.28% <100.00%> (-0.01%)	⬇️
windows	83.28% <100.00%> (-0.01%)	⬇️

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Impacted Files	Coverage Δ
...rcuitBreakerResilienceStrategyBuilderExtensions.cs	100.00% <ø> (ø)
...ack/FallbackResilienceStrategyBuilderExtensions.cs	100.00% <ø> (ø)
...ging/HedgingResilienceStrategyBuilderExtensions.cs	100.00% <ø> (ø)
.../Retry/RetryResilienceStrategyBuilderExtensions.cs	100.00% <ø> (ø)
...eout/TimeoutResilienceStrategyBuilderExtensions.cs	100.00% <ø> (ø)
.../RateLimiterResilienceStrategyBuilderExtensions.cs	100.00% <ø> (ø)
src/Polly.Core/ResilienceStrategyBuilderBase.cs	100.00% <100.00%> (ø)
src/Polly.Core/Utils/TypeNameFormatter.cs	100.00% <100.00%> (ø)