Remove unused StringUtils.hashString and FastMath.hash

Neither matches the client string hash; Hasher.SBStringHash does.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/engine/math/FastMath.java

@@ -583,36 +583,6 @@ final public class FastMath {
         return ret.normalize();
     }
 
-    /**
-     * Turns a String into an Integer hash that the client will recognize.
-     *
-     * @param s The String to hash
-     * @return the Integer hash
-     */
-    public static int hash(String s) {
-        int out = 0, pad = 0;
-        for (char c : s.toCharArray()) {
-            if (c == ' ' || c == '\\') {
-                pad += 5;
-                continue;
-            }
-            if (c > 0x40 && c < 0x60)
-                out ^= _rotl((byte) 0x60, pad);
-            out ^= _rotl((byte) (c & 0xDF), pad);
-            pad += 5;
-        }
-        return out;
-    }
-
-    /**
-     * Utility function for making hashes
-     */
-    private static int _rotl(int value, int shift) {
-        if ((shift &= 31) == 0)
-            return value;
-        return (value << shift) | (value >> (32 - shift));
-    }
-
     /**
      * Gets number of seconds until next hours
      */

src/engine/util/StringUtils.java

@@ -57,63 +57,6 @@ public class StringUtils {
         return Long.toHexString(l).toUpperCase();
     }
 
-    // Well done IDA Pro.
-
-    public static int hashString(String toHash) {
-        byte[] hashArray = toHash.getBytes();
-        int hash = 0;
-        int shift = 0;
-        if (hashArray.length == 8 || hashArray.length == 7) {
-            int ecx = 0;
-            if (hashArray.length == 8) {
-                ecx = hashArray[7];
-            }
-            int eax = hashArray[4];
-            int esi = ecx * 0x8;
-            eax ^= esi;
-            ecx ^= 0x5A0;
-            esi = hashArray[5];
-            eax <<= 4;
-            eax ^= esi;
-            esi = hashArray[6];
-            eax <<= 4;
-            eax ^= esi;
-            esi = hashArray[2];
-            eax <<= 5;
-            eax ^= esi;
-            esi = hashArray[1];
-            int edx = hashArray[0];
-            eax <<= 5;
-            eax ^= esi;
-            ecx /= 2;
-            ecx /= 2;
-            eax <<= 5;
-            ecx ^= edx;
-            eax ^= ecx;
-            return eax;
-        } else {
-
-            for (int i = 0; i < hashArray.length; i++) {
-                if (i == 0)
-                    shift = 0;
-                else
-                    shift += 5;
-                int toShift = hashArray[i] - 0x20;
-                int shifted = (toShift << shift);
-                hash ^= shifted;
-                if (shift > 24) {
-                    int newShift = 0x20 - shift;
-                    int newShifted = toShift >> newShift;
-                    hash ^= newShifted;
-                    if (shift > 27) {
-                        shift -= 0x20;
-                    }
-                }
-            }
-            return hash;
-        }
-    }
-
     public static String wordWrap(String text, int LineWidth) {
         StringTokenizer st = new StringTokenizer(text);
         int SpaceLeft = LineWidth;