Revert "w2v-server.pl: use hash to store vocabulary"

Waste of memory.

This reverts commit 01366f90699978e79b0237cce9e63820b75f97e2.
diff --git a/w2v-server.pl b/w2v-server.pl
index 0b8f178..c92400b 100644
--- a/w2v-server.pl
+++ b/w2v-server.pl
@@ -67,7 +67,6 @@
 
 float *M;
 char *vocab;
-HV* wordhash;
 long long words, size;
 int num_threads=20;
 
@@ -129,13 +128,6 @@
 		}
 	}
   fclose(f);
-
-  wordhash = newHV();
-	for (a = 0; a < words; a++) {
-    hv_store(wordhash, &vocab[a * max_w], strlen(&vocab[a * max_w]), newSVuv(a), 0);
-    //    fprintf(stderr, "%lld: %s\n", a, &vocab[a * max_w]);
-  }
-      
 	return 0;
 }
 
@@ -150,8 +142,7 @@
 	long long a, b, c, d, cn, bi[100], *besti;
 	char ch;
 	knn *nbs = NULL;
-  SV **svp;
-  
+
 	besti = malloc(N * sizeof(long long));
 	bestd = malloc(N * sizeof(float));
 
@@ -176,14 +167,8 @@
 	}
 	cn++;
 	for (a = 0; a < cn; a++) {
-    svp = hv_fetch(wordhash,st[a],strlen(st[a]),0);
-    if (svp) {
-      b = SvUV(*svp);
-    } else {
-      b = -1;
-    }
-    //		for (b = 0; b < words; b++) if (!strcmp(&vocab[b * max_w], st[a])) break;
-    //		if (b == words) b = -1;
+		for (b = 0; b < words; b++) if (!strcmp(&vocab[b * max_w], st[a])) break;
+		if (b == words) b = -1;
 		bi[a] = b;
 		fprintf(stderr, "Word: \"%s\"  Position in vocabulary: %lld\n", st[a], bi[a]);
 		if (b == -1) {