chore: migrate to consume webpack built-in logger

[jamesgeorge007]

fixes #358

[alexander-akait]

https://github.com/webpack-contrib/webpack-bundle-analyzer/blob/master/src/BundleAnalyzerPlugin.js#L36

// Respect default logging level from webpack
const defaultLoggerLevel = compiler.options.infrastructureLogging && compiler.options.infrastructureLogging.level ? compiler.options.infrastructureLogging.level : this.opts.logLevel;

this.logger = compiler.getInfrastructureLogger ? compiler.getInfrastructureLogger('webpack-bundle-analyzer') : new Logger(defaultLoggerLevel);

[alexander-akait]

Remove it

webpack-bundle-analyzer/src/BundleAnalyzerPlugin.js

Line 31 in fc078a9

this.logger = new Logger(this.opts.logLevel);