Chore: Make min epoch time in dev smaller (#1872)

* fix: make dev have smaller epoch time

* fix: adapt to have no bounds

runtime/development/src/lib.rs

@@ -1099,11 +1099,11 @@ parameter_types! {
  };
 
  // Defaults for pool parameters
- pub const DefaultMinEpochTime: u64 = 5 * SECONDS_PER_MINUTE; // 5 minutes
+ pub const DefaultMinEpochTime: u64 = 0; // No minimum epoch time
  pub const DefaultMaxNAVAge: u64 = 1 * SECONDS_PER_MINUTE; // 1 minute
 
  // Runtime-defined constraints for pool parameters
- pub const MinEpochTimeLowerBound: u64 = 1; // at least 1 second (i.e. do not allow multiple epochs closed in 1 block)
+ pub const MinEpochTimeLowerBound: u64 = 0; // Allow closing an epoch in the same block as the creation of a pool and also multiple per block if wanted
  pub const MinEpochTimeUpperBound: u64 = 30 * SECONDS_PER_DAY; // 1 month
  pub const MaxNAVAgeUpperBound: u64 = SECONDS_PER_HOUR; // 1 hour