Remove unnecessary explicits

lib/include/Inky.hpp

@@ -6,7 +6,7 @@ namespace pacman {
 
 class Inky final : public Ghost {
 public:
-  explicit Inky();
+  Inky();
   void setTarget(GridPosition pacManPos, Direction pacManDir, GridPosition blinkyPos);
 
 protected:

lib/include/Pellets.hpp

@@ -7,7 +7,7 @@ namespace pacman {
 
 class Pellets {
 public:
-  explicit Pellets();
+  Pellets();
 
   GridPosition currentSprite() const {
     return sprite;

lib/include/Pinky.hpp

@@ -6,7 +6,7 @@ namespace pacman {
 
 class Pinky final : public Ghost {
 public:
-  explicit Pinky();
+  Pinky();
   void setTarget(GridPosition pacManPos, Direction pacManDir);
 
 protected:

lib/include/SuperPellets.hpp

@@ -7,7 +7,7 @@ namespace pacman {
 
 class SuperPellets {
 public:
-  explicit SuperPellets();
+  SuperPellets();
 
   GridPosition currentSprite() const {
     return sprite;