Remove hashing example when not covered by query

Author: owen-mc

python/ql/src/Security/CWE-327/BrokenCryptoAlgorithm.qhelp

@@ -23,11 +23,6 @@
                decrypt sensitive data.
                </li>
                <li>
-               If a weak hashing algorithm is used to protect data integrity, an
-               attacker may be able to craft a malicious input that has the same
-               hash as a benign one.
-               </li>
-               <li>
                If a weak algorithm is used for digital signatures, an attacker may
                be able to forge signatures and impersonate legitimate users.
                </li>

ruby/ql/src/queries/security/cwe-327/BrokenCryptoAlgorithm.qhelp

@@ -22,11 +22,6 @@
       decrypt sensitive data.
       </li>
       <li>
-      If a weak hashing algorithm is used to protect data integrity, an
-      attacker may be able to craft a malicious input that has the same
-      hash as a benign one.
-      </li>
-      <li>
       If a weak algorithm is used for digital signatures, an attacker may
       be able to forge signatures and impersonate legitimate users.
       </li>

rust/ql/src/queries/security/CWE-327/BrokenCryptoAlgorithm.qhelp

@@ -22,11 +22,6 @@
 			decrypt sensitive data.
 			</li>
 			<li>
-			If a weak hashing algorithm is used to protect data integrity, an
-			attacker may be able to craft a malicious input that has the same
-			hash as a benign one.
-			</li>
-			<li>
 			If a weak algorithm is used for digital signatures, an attacker may
 			be able to forge signatures and impersonate legitimate users.
 			</li>