remove slow textencoder branch #6303

Performance Gate Passed

⚡ 16 improved benchmarks
✅ 54 untouched benchmarks
⏩ 129 skipped benchmarks¹

	Benchmark	`BASE`	`HEAD`	Efficiency
⚡	`Encode_ASCII_1024[TextEncoder][0/0/1024]`	3.7 ms	3.2 ms	+15.65%
⚡	`EncodeInto_TwoByte_256[TextEncoder][1/2/256]`	5.3 ms	2.8 ms	+88.42%
⚡	`EncodeInto_TwoByte_8192[TextEncoder][1/2/8192]`	96.6 ms	11.1 ms	×8.7
⚡	`Encode_ASCII_256[TextEncoder][0/0/256]`	3.1 ms	2.6 ms	+20.57%
⚡	`Encode_OneByte_256[TextEncoder][0/1/256]`	5.2 ms	3 ms	+74.33%
⚡	`Encode_ASCII_8192[TextEncoder][0/0/8192]`	13.5 ms	8.6 ms	+57.26%
⚡	`Encode_OneByte_1024[TextEncoder][0/1/1024]`	12 ms	4.5 ms	×2.7
⚡	`Encode_OneByte_8192[TextEncoder][0/1/8192]`	84.7 ms	18.5 ms	×4.6
⚡	`Encode_TwoByte_1024[TextEncoder][0/2/1024]`	16.4 ms	5.1 ms	×3.2
⚡	`Encode_TwoByte_8192[TextEncoder][0/2/8192]`	119.5 ms	23.3 ms	×5.1
⚡	`Encode_ASCII_32[TextEncoder][0/0/32]`	3.2 ms	2.4 ms	+32.57%
⚡	`Encode_TwoByte_256[TextEncoder][0/2/256]`	6.5 ms	3.3 ms	+97.22%
⚡	`EncodeInto_TwoByte_1024[TextEncoder][1/2/1024]`	14.1 ms	3.5 ms	×4
⚡	`EncodeInto_OneByte_1024[TextEncoder][1/1/1024]`	10.4 ms	3.4 ms	×3
⚡	`EncodeInto_OneByte_8192[TextEncoder][1/1/8192]`	66.5 ms	9.6 ms	×7
⚡	`EncodeInto_OneByte_256[TextEncoder][1/1/256]`	4.4 ms	2.8 ms	+57.09%

_{Comparing yagiz/remove-slow-text-encoder (82f0c46) with main (755795d)}

129 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩