refactor(logger): remove redundant constructor in config classes

Author: saragerion

packages/logger/examples/config/CustomConfigService.ts

@@ -5,10 +5,6 @@ class CustomConfigService extends EnvironmentVariablesService {
   // Custom environment variables
   protected customEnvironmentVariable = 'CUSTOM_ENV';
 
-  public constructor() {
-    super();
-  }
-
   public getCurrentEnvironment(): string {
     return this.get(this.customEnvironmentVariable);
   }

packages/logger/src/config/EnvironmentVariablesService.ts

@@ -9,10 +9,6 @@ class EnvironmentVariablesService extends ConfigService {
   private memoryLimitInMBVariable = 'AWS_LAMBDA_FUNCTION_MEMORY_SIZE';
   private xRayTraceIdVariable = '_X_AMZN_TRACE_ID';
 
-  public constructor() {
-    super();
-  }
-
   public get(name: string): string {
     return process.env[name] || '';
   }