perf: remove useless clear in string censor helper functions #779

Job	Run time
Setup	8s
Test core	39s
Build native bindings on ${{ matrix.settings.target }}	0s
Build node bindings on ${{ matrix.settings.target }}	0s
Build node bindings on FreeBSD	0s
Build native java bindings on aarch64-apple-darwin	52s
Build native java bindings on aarch64-pc-windows-msvc	1m 47s
Build and test wasm	1m 1s
Build native java bindings on aarch64-unknown-linux-gnu	53s
Build native java bindings on aarch64-unknown-linux-musl	1m 24s
Build native java bindings on arm-unknown-linux-gnueabi	50s
Build native java bindings on armv5te-unknown-linux-gnueabi	1m 10s
Build native java bindings on armv7-unknown-linux-gnueabi	56s
Build native java bindings on armv7-unknown-linux-gnueabihf	55s
Build native java bindings on i686-pc-windows-msvc	2m 22s
Build native java bindings on i686-unknown-freebsd	1m 0s
Build native java bindings on i686-unknown-linux-gnu	49s
Build native java bindings on riscv64gc-unknown-linux-gnu	1m 8s
Build native java bindings on x86_64-apple-darwin	45s
Build native java bindings on x86_64-pc-windows-msvc	2m 6s
Build native java bindings on x86_64-unknown-freebsd	1m 2s
Build native java bindings on x86_64-unknown-linux-gnu	38s
Build native java bindings on x86_64-unknown-linux-musl	1m 38s
Test native bindings	0s
Test node bindings	0s
Test java bindings	33s
Commit changes	1m 20s
Deploy to GitHub Pages	23s
Publish java binding	0s
Publish	0s
	24m 19s

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