[2387] Revert "Add some assertions anyway"

This reverts commit 65f68f7b9235307f8af029b37ebc7c2a309ed7e9.

src/lib/dns/rdata/generic/detail/nsec_bitmap.cc

@@ -96,7 +96,6 @@ buildBitmapsFromLexer(const char* const rrtype_name,
         }
 
         // token is now assured to be of type STRING.
-        assert(token.getType() == MasterToken::STRING);
 
         have_rrtypes = true;
         token.getString(type_str);

src/lib/dns/rdata/generic/dnskey_48.cc

@@ -189,7 +189,6 @@ DNSKEY::constructFromLexer(MasterLexer& lexer) {
         }
 
         // token is now assured to be of type STRING.
-        assert(token.getType() == MasterToken::STRING);
 
         token.getString(keydata_substr);
         keydata_str.append(keydata_substr);