docs(expect,text): remove no-eval directives that appear to be unneccessary

[finleyjb]

Per #5728, we want to review the usage of no-eval.

These examples pass with no-eval removed, so we might as well remove them.

$ deno task test text/unstable_slugify.ts                                                                                                                                                                                                                                                                          
Task test deno test --unstable-http --unstable-webgpu --doc --allow-all --parallel --coverage --trace-leaks --clean "text/unstable_slugify.ts"
Check file:///home/fin/src/std/text/unstable_slugify.ts
Check file:///home/fin/src/std/text/unstable_slugify.ts$25-31.ts
Check file:///home/fin/src/std/text/unstable_slugify.ts$37-43.ts
Check file:///home/fin/src/std/text/unstable_slugify.ts$49-55.ts
Check file:///home/fin/src/std/text/unstable_slugify.ts$61-67.ts
Check file:///home/fin/src/std/text/unstable_slugify.ts$80-87.ts
Check file:///home/fin/src/std/text/unstable_slugify.ts$89-97.ts
./text/unstable_slugify.ts$61-67.ts => file:///home/fin/src/std/text/unstable_slugify.ts$61-67.ts ... ok (1ms)
./text/unstable_slugify.ts$37-43.ts => file:///home/fin/src/std/text/unstable_slugify.ts$37-43.ts ... ok (3ms)
./text/unstable_slugify.ts$49-55.ts => file:///home/fin/src/std/text/unstable_slugify.ts$49-55.ts ... ok (9ms)
./text/unstable_slugify.ts$80-87.ts => file:///home/fin/src/std/text/unstable_slugify.ts$80-87.ts ... ok (9ms)
./text/unstable_slugify.ts$25-31.ts => file:///home/fin/src/std/text/unstable_slugify.ts$25-31.ts ... ok (13ms)
./text/unstable_slugify.ts$89-97.ts => file:///home/fin/src/std/text/unstable_slugify.ts$89-97.ts ... ok (8ms)

ok | 6 passed | 0 failed (63ms)

Task test deno test --unstable-http --unstable-webgpu --doc --allow-all --parallel --coverage --trace-leaks --clean "expect/expect.ts"
Check file:///home/fin/src/std/expect/expect.ts
Check file:///home/fin/src/std/expect/expect.ts$122-133.ts
Check file:///home/fin/src/std/expect/expect.ts$251-296.ts
Check file:///home/fin/src/std/expect/expect.ts$305-355.ts
Check file:///home/fin/src/std/expect/expect.ts$362-371.ts
Check file:///home/fin/src/std/expect/expect.ts$381-395.ts
Check file:///home/fin/src/std/expect/expect.ts$411-421.ts
Check file:///home/fin/src/std/expect/expect.ts$436-449.ts
Check file:///home/fin/src/std/expect/expect.ts$459-470.ts
Check file:///home/fin/src/std/expect/expect.ts$485-495.ts
Check file:///home/fin/src/std/expect/expect.ts$506-516.ts
Check file:///home/fin/src/std/expect/expect.ts$525-535.ts
Check file:///home/fin/src/std/expect/expect.ts$544-552.ts
Check file:///home/fin/src/std/expect/expect.ts$573-596.ts
Check file:///home/fin/src/std/expect/expect.ts$611-617.ts
./expect/expect.ts$305-355.ts => file:///home/fin/src/std/expect/expect.ts$305-355.ts ... ok (2ms)
./expect/expect.ts$411-421.ts => file:///home/fin/src/std/expect/expect.ts$411-421.ts ... ok (1ms)
./expect/expect.ts$362-371.ts => file:///home/fin/src/std/expect/expect.ts$362-371.ts ... ok (1ms)
./expect/expect.ts$381-395.ts => file:///home/fin/src/std/expect/expect.ts$381-395.ts ... ok (1ms)
./expect/expect.ts$459-470.ts => file:///home/fin/src/std/expect/expect.ts$459-470.ts ... ok (3ms)
./expect/expect.ts$506-516.ts => file:///home/fin/src/std/expect/expect.ts$506-516.ts ... ok (4ms)
./expect/expect.ts$122-133.ts => file:///home/fin/src/std/expect/expect.ts$122-133.ts ... ok (2ms)
./expect/expect.ts$544-552.ts => file:///home/fin/src/std/expect/expect.ts$544-552.ts ... ok (2ms)
./expect/expect.ts$611-617.ts => file:///home/fin/src/std/expect/expect.ts$611-617.ts ... ok (2ms)
./expect/expect.ts$251-296.ts => file:///home/fin/src/std/expect/expect.ts$251-296.ts ... ok (1ms)
./expect/expect.ts$436-449.ts => file:///home/fin/src/std/expect/expect.ts$436-449.ts ... ok (3ms)
./expect/expect.ts$485-495.ts => file:///home/fin/src/std/expect/expect.ts$485-495.ts ... ok (2ms)
./expect/expect.ts$573-596.ts => file:///home/fin/src/std/expect/expect.ts$573-596.ts ... ok (3ms)
./expect/expect.ts$525-535.ts => file:///home/fin/src/std/expect/expect.ts$525-535.ts ... ok (6ms)

ok | 14 passed | 0 failed (242ms)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.34%. Comparing base (e3dc30a) to head (8f193a5).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6333      +/-   ##
==========================================
- Coverage   96.35%   96.34%   -0.01%     
==========================================
  Files         547      547              
  Lines       41671    41671              
  Branches     6315     6315              
==========================================
- Hits        40151    40148       -3     
- Misses       1479     1482       +3     
  Partials       41       41              

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[kt3k]

LGTM. Thanks