Remove obsolete optimizations

These are a relic of when we used forEachInRange for checkMaxBetween

ConflictSet.cpp

@@ -145,36 +145,24 @@ struct BitSet {
     // Check begin partial word
     if (begin & 63) {
       uint64_t word = words[begin >> 6] & (uint64_t(-1) << (begin & 63));
-      if (std::popcount(word) + (begin & 63) == 64) {
-        while (begin & 63) {
-          f(begin++);
-        }
-      } else {
-        while (word) {
-          uint64_t temp = word & -word;
-          int index = (begin & ~63) + std::countr_zero(word);
-          f(index);
-          word ^= temp;
-        }
-        begin &= ~63;
-        begin += 64;
+      while (word) {
+        uint64_t temp = word & -word;
+        int index = (begin & ~63) + std::countr_zero(word);
+        f(index);
+        word ^= temp;
       }
+      begin &= ~63;
+      begin += 64;
     }
 
     // Check inner, full words
     while (begin != (end & ~63)) {
       uint64_t word = words[begin >> 6];
-      if (word == uint64_t(-1)) {
-        for (int i = 0; i < 64; ++i) {
-          f(begin + i);
-        }
-      } else {
-        while (word) {
-          uint64_t temp = word & -word;
-          int index = begin + std::countr_zero(word);
-          f(index);
-          word ^= temp;
-        }
+      while (word) {
+        uint64_t temp = word & -word;
+        int index = begin + std::countr_zero(word);
+        f(index);
+        word ^= temp;
       }
       begin += 64;
     }
@@ -182,17 +170,11 @@ struct BitSet {
     if (end & 63) {
       // Check end partial word
       uint64_t word = words[end >> 6] & ~(uint64_t(-1) << (end & 63));
-      if (std::popcount(word) == (end & 63)) {
-        while (begin < end) {
-          f(begin++);
-        }
-      } else {
-        while (word) {
-          uint64_t temp = word & -word;
-          int index = begin + std::countr_zero(word);
-          f(index);
-          word ^= temp;
-        }
+      while (word) {
+        uint64_t temp = word & -word;
+        int index = begin + std::countr_zero(word);
+        f(index);
+        word ^= temp;
       }
     }
   }