remove blanks

Author: huangli712

docs/src/man/impl.md

@@ -43,7 +43,7 @@ The source codes of the ACFlow toolkit are placed in the `acflow/src` folder. Th
 !!! note
 
     There are four more scripts in the `acflow/util` folder.
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     * `acrun.jl` - It is used to launch the analytic continuation tasks sequentially.
     * `acprun.jl` - It is used to launch the analytic continuation tasks parallelly.
     * `ppole.jl` - It is used to postprocess the outputs by the StochPX solver.