perf: use filter instead of reverse-splice for _docs in remove()

Same fix previously applied to FuseIndex.removeAll — the _docs array
was still using reverse-splice which is O(n) per splice. Replaced
with a single .filter() pass using a Set for O(1) lookups.

Author: krisk

dist/fuse.basic.cjs

@@ -1292,10 +1292,9 @@ class Fuse {
         }
       }
 
-      // Remove from docs in reverse to preserve indices
-      for (let i = indicesToRemove.length - 1; i >= 0; i -= 1) {
-        this._docs.splice(indicesToRemove[i], 1);
-      }
+      // Filter docs in a single pass instead of reverse-splicing
+      const toRemove = new Set(indicesToRemove);
+      this._docs = this._docs.filter((_, i) => !toRemove.has(i));
       this._myIndex.removeAll(indicesToRemove);
     }
     return results;

dist/fuse.basic.min.cjs

@@ -1290,10 +1290,9 @@ class Fuse {
         }
       }
 
-      // Remove from docs in reverse to preserve indices
-      for (let i = indicesToRemove.length - 1; i >= 0; i -= 1) {
-        this._docs.splice(indicesToRemove[i], 1);
-      }
+      // Filter docs in a single pass instead of reverse-splicing
+      const toRemove = new Set(indicesToRemove);
+      this._docs = this._docs.filter((_, i) => !toRemove.has(i));
       this._myIndex.removeAll(indicesToRemove);
     }
     return results;

dist/fuse.basic.min.mjs

@@ -1683,10 +1683,9 @@ class Fuse {
         }
       }
 
-      // Remove from docs in reverse to preserve indices
-      for (let i = indicesToRemove.length - 1; i >= 0; i -= 1) {
-        this._docs.splice(indicesToRemove[i], 1);
-      }
+      // Filter docs in a single pass instead of reverse-splicing
+      const toRemove = new Set(indicesToRemove);
+      this._docs = this._docs.filter((_, i) => !toRemove.has(i));
       this._myIndex.removeAll(indicesToRemove);
     }
     return results;

dist/fuse.basic.mjs

@@ -1681,10 +1681,9 @@ class Fuse {
         }
       }
 
-      // Remove from docs in reverse to preserve indices
-      for (let i = indicesToRemove.length - 1; i >= 0; i -= 1) {
-        this._docs.splice(indicesToRemove[i], 1);
-      }
+      // Filter docs in a single pass instead of reverse-splicing
+      const toRemove = new Set(indicesToRemove);
+      this._docs = this._docs.filter((_, i) => !toRemove.has(i));
       this._myIndex.removeAll(indicesToRemove);
     }
     return results;

dist/fuse.cjs

@@ -1665,10 +1665,9 @@ class Fuse {
         }
       }
 
-      // Remove from docs in reverse to preserve indices
-      for (let i = indicesToRemove.length - 1; i >= 0; i -= 1) {
-        this._docs.splice(indicesToRemove[i], 1);
-      }
+      // Filter docs in a single pass instead of reverse-splicing
+      const toRemove = new Set(indicesToRemove);
+      this._docs = this._docs.filter((_, i) => !toRemove.has(i));
       this._myIndex.removeAll(indicesToRemove);
     }
     return results;