refactor!: Remove trivial snippet u64::Eq

Migration guide: use `DataType::U64.compare()`.

Author: jan-ferdinand

tasm-lib/benchmarks/tasmlib_mmr_calculate_new_peaks_from_leaf_mutation.json

@@ -2,8 +2,8 @@
   {
     "name": "tasmlib_mmr_calculate_new_peaks_from_leaf_mutation",
     "benchmark_result": {
-      "clock_cycle_count": 2436,
-      "hash_table_height": 426,
+      "clock_cycle_count": 2332,
+      "hash_table_height": 414,
       "u32_table_height": 1265,
       "op_stack_table_height": 1584,
       "ram_table_height": 192
@@ -13,8 +13,8 @@
   {
     "name": "tasmlib_mmr_calculate_new_peaks_from_leaf_mutation",
     "benchmark_result": {
-      "clock_cycle_count": 4650,
-      "hash_table_height": 612,
+      "clock_cycle_count": 4484,
+      "hash_table_height": 600,
       "u32_table_height": 2160,
       "op_stack_table_height": 3082,
       "ram_table_height": 378

tasm-lib/benchmarks/tasmlib_mmr_verify_from_secret_in_leaf_index_on_stack.json

@@ -2,8 +2,8 @@
   {
     "name": "tasmlib_mmr_verify_from_secret_in_leaf_index_on_stack",
     "benchmark_result": {
-      "clock_cycle_count": 964,
-      "hash_table_height": 360,
+      "clock_cycle_count": 898,
+      "hash_table_height": 354,
       "u32_table_height": 829,
       "op_stack_table_height": 494,
       "ram_table_height": 6
@@ -13,8 +13,8 @@
   {
     "name": "tasmlib_mmr_verify_from_secret_in_leaf_index_on_stack",
     "benchmark_result": {
-      "clock_cycle_count": 1714,
-      "hash_table_height": 540,
+      "clock_cycle_count": 1588,
+      "hash_table_height": 534,
       "u32_table_height": 945,
       "op_stack_table_height": 854,
       "ram_table_height": 6

tasm-lib/benchmarks/tasmlib_mmr_verify_from_secret_in_secret_leaf_index.json

@@ -2,7 +2,7 @@
   {
     "name": "tasmlib_mmr_verify_from_secret_in_secret_leaf_index",
     "benchmark_result": {
-      "clock_cycle_count": 976,
+      "clock_cycle_count": 910,
       "hash_table_height": 372,
       "u32_table_height": 796,
       "op_stack_table_height": 500,
@@ -13,7 +13,7 @@
   {
     "name": "tasmlib_mmr_verify_from_secret_in_secret_leaf_index",
     "benchmark_result": {
-      "clock_cycle_count": 1726,
+      "clock_cycle_count": 1600,
       "hash_table_height": 552,
       "u32_table_height": 1010,
       "op_stack_table_height": 860,

tasm-lib/src/arithmetic/u64.rs

@@ -3,7 +3,6 @@ pub mod and;
 pub mod decr;
 pub mod div2;
 pub mod div_mod;
-pub mod eq;
 pub mod incr;
 pub mod leading_zeros;
 pub mod log_2_floor;

tasm-lib/src/arithmetic/u64/eq.rs

@@ -104,7 +104,6 @@ pub fn name_to_snippet(fn_name: &str) -> Option<Box<dyn BasicSnippet>> {
         "tasmlib_arithmetic_u64_decr" => Some(Box::new(u64::decr::Decr)),
         "tasmlib_arithmetic_u64_div2" => Some(Box::new(u64::div2::Div2)),
         "tasmlib_arithmetic_u64_div_mod" => Some(Box::new(u64::div_mod::DivMod)),
-        "tasmlib_arithmetic_u64_eq" => Some(Box::new(u64::eq::Eq)),
         "tasmlib_arithmetic_u64_incr" => Some(Box::new(u64::incr::Incr)),
         "tasmlib_arithmetic_u64_leading_zeros" => Some(Box::new(u64::leading_zeros::LeadingZeros)),
         "tasmlib_arithmetic_u64_trailing_zeros" => {